LATEST CHANGES

Date: 01/MAR/2021
Revision: LK
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Notes & Exceptions
- Added an exception to the Nadcap mandate for supplemental chemical conversion coating when applied on ion vapor deposition (IVD) aluminum.
User Instructions & Requirements
- Sections 2.2.11 and 2.2.12 revised to add aircraft bearings as a standard part available from the Boeing Aggregated Standards Network (BASN).
- Exhibit II, Example Corrective Action Response: updated Corrective Action (CA) Response Format Template
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HISTORY OF CHANGES (post 30/Sep/2015)

Date: 04/JAN/2021
Revision: LI
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Boeing Contacts: Updated phone number for Jeff Koss
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Date: 02/DEC/2020
Revision: LH
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User Instructions & Requirements
- Process Code 551 for D210-10302-1, Control of Critical Bearing Producers/Suppliers, has unique approval requirements. The Source Control Drawing requirement have been updated to provide awareness. Section 2.1.2.2 was added and the Approved Sources Flow Chart added flag notes.
- Glossary – Added definition for National Aerospace Non-Destructive Testing Board (NANDTB)
- Exhibit II, Example Corrective Action Response, replaced Corrective Action (CA) Response Format Template and Root Cause Corrective Action (RCCA) Guidelines and Examples
- Appendix D, Purchase Order Flow Down Requirements, replaced reference to cancelled D6-53993 with BSS7119
Boeing Contacts
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Date: 02/NOV/2020
Revision: LG
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Date: 01/OCT/2020
Revision: LF
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Process Code 551 for D210-10302-1, Control of Critical Bearing Producers/Suppliers, has unique approval requirements. The Source Control Drawing requirement have been updated to provide awareness. Section 2.1.2.2 was added and the Approved Sources Flow Chart added flag notes.
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Date: 01/SEP/2020
Revision: LE
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Glossary – Added definition for National Aerospace Non-Destructive Testing Board (NANDTB)
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Date: 10/JUL/2020
Revision: LD
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Exhibit II, Example Corrective Action Response, replaced Corrective Action (CA) Response Format Template and Root Cause Corrective Action (RCCA) Guidelines and Examples
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Date: 13/MAY/2020
Revision: LB
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Appendix D, Purchase Order Flow Down Requirements, replaced reference to cancelled D6-53993 with BSS7119
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Date: 10/APR/2020
Revision: LA
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Date: 02/MAR/2020
Revision: KZ
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Date: 06/JAN/2020
Revision: KX
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Boeing Contacts
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Date: 11/OCT/2019
Revision: KU
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Date: 02/JUL/2019
Revision: KS
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Removed Peter Melville
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Date: 01/JUL/2019
Revision: KR
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"
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Date: 08/MAY/2019
Revision: KQ
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User Instructions & Requirements: Updated Appendix B, QMS Auditor Handbook
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Date: 01/APR/2019
Revision: KM
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User Instructions & Requirements: Made editorial updates to section 6.16.3 and updated Appendix A2
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Date: 27/FEB/2019
Revision: KL
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Notes & Exceptions: Added the following new Nadcap exception for Materials Testing:
Process codes 802-Mechanical Testing and 803-Metallurgical Testing, AND that testing is performed as internal support only (by in-house labs) in support of coating processes (such as BAC5851 and DPS9.89)
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Date: 28/JAN/2019
Revision: KK
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Nadcap Accreditation: Updated cross reference table for D1-4426 process to Nadcap audit criteria
Boeing Contacts: Corrected name and email address for Shamim Abbas
Notes & Exception: Updated Nadcap exception for heat treatment to replace “Stress Relief” with the following: Full or Partial Annealing of Aluminum when parts will be subsequently heat treated to a final temper Hot Forming Only of Titanium in a furnace when not combined with stress relief Hot Forming of any kind when performed in a heated die press Stress Relief, except for Titanium
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Date: 31/OCT/2018
Revision: KH
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Update the D1-4426 user instructions for sections 2.1.3, 3, and 7.3.8:
Add Note 2 to section 2.1.3. “Note 2 (Applicable to Boeing Commercial Airplanes): Processor/Supplier shall not apply dispositions of use-as-is or repair to nonconforming articles they produce for installation on Boeing commercial airplanes unless Boeing has delegated BCA material review authority to the seller in accord with D-13709-4 or D-13709-5. The term “nonconforming articles” includes all nonconforming materials, processes, components, subassemblies, including those of seller design, that do not conform to their type design definition data regardless of whether BCA requirements (e.g. as specified by Specification Control Document (SCD)) or process specification has been violated. When the supplier does not have delegated material review authority and the nonconforming condition requires a Boeing disposition, request material review disposition in accord with D6-84111.”
Add Nonconforming Product to Glossary Section 3
“NONCONFORMING PRODUCT - Any product with one or more characteristics that departs from the requirements specified in the contract, specifications, drawing, or other approved product definition data.”
Revise section 7.3.8
Replace “when a noncompliance on a Boeing product is already delivered to the customer” with “when a nonconforming product is already delivered to the customer”.
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Date: 17/AUG/2018
Revision: KE
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User Instructions:
Added new section 2.2.6 for which D1-4426 approval is not required, “Materials and processes for standard parts manufactured in accordance with Boeing, federal, industry, or military part standards, except as noted in section 2.1.5 (Boeing designated fasteners).”
Deleted section 4.13, “DPS 4.804 / Process Code L586, DPS 4.813 / Process Code L588 and DPS 4.814 / Process Code L589 require approval of processors manufacturing outline prior to manufacturing of parts. For a listing of suppliers with approved manufacturing outlines follow this link. Approved Listing. ”
Revised Exhibit III, Processor Quality Systems Requirements.
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Date: 01/AUG/2018
Revision: KE
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Notes & Exceptions: Revised Nadcap exception for defense organizations and added space agencies
User Instructions:
Revised section 2 for Boeing designated fasteners. Manufacturers are no longer required to be approved to BPS specifications and only require approval to Boeing processing specifications.
Revised section 3 and section 8 Glossary for “Designated Fastener.”
Revised section 6 to provide requirements for processing at an address other than the site listed in D1-4426.
Moved the requirement to notify certification body for QMS major finding from section 11.1 (probation) to section 12 (corrective action).
The above changes require renumbering of paragraphs.
Limitation Index: Added A12 limitation code for processing at a different site
Approved Sources Flow Chart: Updated slides 1, 2, & 4 related to Designated Fasteners
Boeing Contacts: Replaced Martha Hogan-Battisti with Tim Ditch (BDS) and added Robin Hockstedler (BGS)
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Date: 07/MAY/2018
Revision: KC
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User Instructions & Requirements: Revised section 7.4.2 to remove the text “recognized by Boeing” in the statement exempting NANDTBs with Nadcap oversight from providing examinations.
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Date: 02/MAY/2018
Revision: KC
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Notes & Exceptions: Added exception to Nadcap mandate for government entities
User Instructions & Requirements: Revised section 7.4.2 to exempt National Aerospace NDT Boards (NANDTB) with Nadcap oversight from making examinations available
Appendix A1: Revised the specification nomenclature for ASTM E92 to delete "...superseded by ASTM E384"
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Date: 10/APR/2018
Revision: KB
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Appendix A1: Revised the specification nomenclature for ASTM E92 to delete "...superseded by ASTM E384"
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Date: 01/FEB/2018
Revision: JZ
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Boeing Contacts: Replace Chemical Processing contact
From - Michael Coleman - BDS, Delaware 610-591-1118 michael.j.coleman@boeing.com
To - Andrew L Murphy Jr BCA Illinois 847-254-7340 Andrew.l.Murpjhy-Jr@Boeing.com
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Note & Exceptions: Added "Taber abrasion Testing in accordance with ASTM D4060 and MIL-STD-141, when the supplier/lab has no other mandate for a Nadcap chemical process accreditation." to Chemical Process section.
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Date: 12/DEC/2017
Revision: JX
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Appendix A2: Revised section 5 to add periodic requirements for Vision and color Perception and provide minimum acceptable criteria.
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Date: 01/NOV/2017
Revision: JW
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User Instructions: Added section 7.3.2.1., “Boeing issued Supplier Evaluation Reports (SERs) nonconformities must be made available to the Nadcap auditor upon request prior to or during the initial or re-accreditation audit, in order to provide awareness and influence audit activities.”
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Date: 28/SEP/2017
Revision: JU
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Nadcap Accreditation: Updated the list which provides a cross reference between Specification/Process Code and Nadcap Audit Criteria.
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Date: 31/AUG/2017
Revision: JT
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User Instructions: Added item to section 7.4.2 regarding the use of National Aerospace NDT Boards (NANDTBs) as follows: “If NANDTBs are utilized after 31 January 2018, the examinations shall be made available for review at the processor’s facility and at the time of the audit.“
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Date: 01/AUG/2017
Revision: JS
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User Instructions: Added section 7.3.6.1 to require form M465 to be referenced on the certificate of conformity for HP specifications where the source is not listed on the engineering QPL.
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Date: 31/JUL/2017
Revision: JS
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User Instructions: Added section 7.3.6.1 to require form M465 to be referenced on the certificate of conformity for HP specifications where the source is not listed on the engineering QPL.
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Date: 27/JUN/2017
Revision: JR
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User Instructions & Requirements:
Added definition for “Certificate of Conformity” and updated sections 5.1.2.2.4, 6.11, 7.3.4.3, 7.3.6, & 8.3.3
Revised section 6.15.1 to delete the sentence, “Supplier compliance to Exhibit III is required to be completed by September 1, 2013.”
Revised Exhibit III to remove references to AS9100 and other editorial updates
Revised Appendix D to update “Export Control Classification” and Addendum 1 Note
Geographic APL:
Added note to instructions when performing a processor search by country
Boeing Contacts:
Add contact for Metallic Raw Materials
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Date: 01/MAY/2017
Revision: JQ
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User Instructions:
Revised Appendix D, Purchase Order Flow Down Requirements, to add requirements for Precision Cleaning
Approved Sources Flow Chart:
Revised to add a slide for 600 code metallic materials.
Contacts:
Current:
Commodity: Non Destructive Test
Focal: Pete Torelli – BCA, Washington
Contact: 206-769-9127, peter.p.torelli@boeing.com
New:
Commodity: Non Destructive Test
Focal: David Cohn – BCA, Washington
Contact: 425-234-6730, david.b.cohn@boeing.com
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Date: 27/FEB/2017
Revision: JN
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Added new section 7.2 stating, “Boeing reserves the right to provide Boeing-identified nonconformities, associated quality system data, and performance data to processor’s Certification Body (CB) and Nadcap.”
Previous Section 7.2 and associated subsections have been renumbered to 7.3.
Revised section 7.3.2 (previously 7.2.2) by adding the following text in bold: “Quality records shall be maintained and available for review by…Certification Bodies, and Nadcap …”
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Date: 26/JAN/2017
Revision: JM
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User Instructions
Add to section 2.1.7 and 2.2.7;
- "Note: When purchasing metallic raw materials as a Boeing part number this section and subsections do not apply. See section 2.1.6."
Add to section 3 Glossary;
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"Disruptive Event – Natural Disaster, Labor Strike, Civil or International Unrest, Unplanned, calamitous event that impacts the ability to meet customer needs"
Edit to section 6.16
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"6.16. Processor/Suppliers listed in this document must provide an initial written notification to the cognizant Boeing Process Representative within (3) three days when a change occurs or event that may affect the ability to deliver or process hardware. Where processing or hardware is determined to be affected a final notification of product information must be provided within (10) working days.
Examples of changes that shall be reported include:
6.16.1. Address / facility change.
6.16.2. Name and/or ownership changes of the facility.
6.16.3 Equipment deleted or added to the process.
6.16.4 Equipment relocation.
Note that adding or moving equipment may require qualification or re-qualification prior to production.
6.16.5. Change of key personnel including, but not limited to: quality manager, NDT Level 3, or other personnel that may affect process or product.
6.16.6. Fire or other harsh environment condition. Notification shall include as a minimum: the date of the event, the process(es)/specification(s) involved, part numbers, part nomenclature, the Boeing Program that may be affected, customer name and point of contact, quantity of each part number affected, material type, the stage of processing at which the event occurred, equipment affected, and result of any MRB action taken by the end user.
Updated Approved Sources Flow Chart:
- To clarify the Metallic Raw Materials slide is only applicable to product purchased to size or shape.
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Date: 28/OCT/2016
Revision: JJ
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Home page
Add to Indices:
- Finish Documents
- Space Exploration Material Index
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Date: 03/OCT/2016
Revision: JI
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Boeing Contacts
Replace: Direct questions concerning surveillance schedules or technical assistance to the appropriate Boeing Division or Regional Office. Refer to the table further below for Division and Region identification.
With: Direct questions regarding updates to processor contact information or any changes that may affect the ability to deliver or process hardware to the cognizant Boeing Process Representative (also see section 6.16 of User Instructions & Requirements).
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Date: 01/AUG/2016
Revision: JG
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Update:
List of suppliers with previously approved DPS4.804 manufacturing outlines.
Add:
Exhibit V, Process Implementing Procedures, to User Instructions & Requirements.
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Date: 31/MAY/2016
Revision: JE
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Boeing Contacts:
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Remove: Frank Lennert
Add: John Knie
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Date: 01/APR/2016
Revision: JC
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Date: 01/MAR/2016
Revision: JC
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Notes & Exceptions: Update
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HEAT TREATMENT Technology for: Stress Relief Conductivity Testing or Hardness Testing at any company that does not also have approval for a heat treating specification listed in D1-4426. Hydrogen Embrittlement Relief
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(Clarification: a Chemical Process or Weld audit shall include a review of the adequacy of the Embrittlement Relief or Stress Relief in conjunction with that special process audit, if the facility has that capability)
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Note that a Nadcap audit of Stress Relief or Hydrogen Embrittlement Relief may be accepted but is not required.
NOTE: The Nadcap Heat Treating task group accepts accreditation for Hardness Testing given by the MTL Task Group (AC7101/5)
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Date: 23/FEB/2016
Revision: JB
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- Contacts: Add
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Heading: Nadcap Task & Boeing Working Group Focals
Commodity: Fasteners
Focal: Brian Chmiel – BCA, California
Contact-Phone: 562-797-8764
Contact-Email: brian.f.chmiel@boeing.com
- Contacts: Revise
- Remove row; "Fabrication"
- Revise; “Surface Enhancement” to “Surface Enhancement and Fabrication”
- User Instructions: Revise
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Date: 29/JAN/2016
Revision: JA
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"Notification: D1-4426 has gone through an internal administration upgrade. As a user of this document, you will not see any changes as a result of this system upgrade with the exception of the format in the Revision Summary pages. "
Move from Home Page to left-side menu
"Important Note: Any reference to Boeing includes all Divisions listed in the "Division Tables" (use the D1-4426 left hand menu for a list) except where a limitation is noted. "
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Revision Summary page: Add
D1-4426 WEB SITE UPDATE INFORMATION
D1-4426 is updated each month. The revision letter and effective date are listed in the top blue banner. The internal content is updated as follows:
Specifications/Process Codes: Updated daily. See the revision summary below showing additions and deletions and the effective date of the change.
Supplier/Processor Data: Updated daily. This includes contact information and changes in approvals. See the revision summary below for processors withdrawn from D1-4426 and the effective date of the change.
Processor and Subcontractor Requirements: Updated daily. This includes Instructions, Nadcap, Exceptions, Limitations, & Boeing Contacts. See the revision summary below for all other changes and the effective date of the change.
Authorized Distributors: Updated daily. Contact the manufacturer for additional information."
- Revision Summary: Update Revision Summary
Was: Current changes since last update
Is: Present changes Since 02/Jan2016
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Date: 22/JAN/2016
Revision: IZ
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2.2.12 Processing specifications/documents where only acceptance requirements are utilized for referenced specifications.
Example: An acceptance requirement for allowable discrepancy size.
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Date: 05/JAN/2016
Revision: IZ
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| Non Destructive Test |
Pete Torelli - BCA, Washington |
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Was;
| Surface Enhancement |
KT Quader - BCA, California |
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Is;
| Surface Enhancement |
Glen Heide – BDS, Pennsylvania |
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Date: 01/DEC/2015
Revision: IZ
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Updated Home page:
The following links are provided for reference only to determine specification revision level and departure information for certain specifications. These links could contain specifications not in the D1-4426 Specification Index Listing (Revision information only - not a link to access copies of the specifications).
• DoD Index of Specifications and Standards
The following are all PDF * documents:
NOTE: Icons, such as "document with a red X" or a "padlock", are for Boeing use only and has no bearing on the specification status.
• Long Beach DPS Revision Index
• Long Beach DPS Past 30 Day Revisions
• Long Beach DMS Revision Index
• Huntington Beach HBPS Revision Index
• HP Revision Index
• HP Specification Past 30 Day Revisions
• St. Louis Process Specification Index
• St. Louis Specification Past 30 Day Revisions
• St. Louis Material Index
• BAC Specification Revision Index
• BAC Specification Revision Past 30 Day Revisions
• BSS Specification Revision Index
• BMS Specification Revision Index
• El Segundo Process Specification Index
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