MIL-STD-1257 Complete Document History
Radiographic and Visual Soundness Requirements for Cobalt-Chromium Alloy Liners (for Small Arms Barrels)


Obsolete Revision Information:
   REV A CANCELLATION 1 - CANCELLATION NOTICE 1 FOR REVISION A - March 18, 2014
   REV A VALIDATION 1 - VALIDATION NOTICE 1 FOR REVISION A - July 15, 1987
   REVISION A - Radiographic and Visual Soundness Requirements for Cobalt-Ch - Jan. 24, 1967