NAS-1288 Complete Document History
Bolt, Pan Head, Self-Locking Optional

Complete Current Edition:
   REVISION 4 - BOLT, PAN HEAD, SELF-LOCKING OPTIONAL - Nov. 22, 2011

Obsolete Revision Information:
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Sept. 29, 1995
   REVISION 3 R80 - REAFFIRMED IN 1980 - June 1, 1980
   REVISION 3 - NUT, HEX AND WASHER SELF-ALIGN - June 30, 1966