NASM-21287 Complete Document History
Screw, Machine, Steel, Drilled Double Hexagon, Extended Washer, .1640-36, (as8879 Thread)

Complete Current Edition:
   1ST EDITION - REAFFIRMED IN 2015 - July 29, 2011

Obsolete Revision Information:
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Sept. 30, 1999
   1999 EDITION - SCREW, MACHINE - STEEL, DRILLE - Sept. 1, 1999