D1-4426 Boeing Approval
Effective December 3, 2013
(for an explanation
of the schedule for these two updates, click here)
This D1-4426 web site specifies how
The Boeing Company assures that special processes,
production of raw material and the procurement of
selected part standards are performed in accordance
with contractually established engineering specifications,
drawings and quality requirements.
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.
TO NAVIGATE THE D1-4426 DOCUMENT: Use the left menu to access all document sections below the heading: Approved Process Sources D1-4426
Frequently Asked Questions
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)