MIL-HDBK-131A (NOTICE 2), MILITARY HANDBOOK: IDENTIFICATION MARKINGS FOR FASTENERS (HANDBOOK H-131) (28-NOV-2006)
MIL-HDBK-131A (NOTICE 2), MILITARY HANDBOOK: IDENTIFICATION MARKINGS FOR FASTENERS (HANDBOOK H-131) (28-NOV-2006)., MIL-HDBK-131A, dated 27 September 2001, has been reviewed and
determined to be valid for use in acquisition.