MIL-HDBK-57B (NOTICE 1), MILITARY HANDBOOK: LISTING OF FASTENER MANUFACTURER'S IDENTIFICATION SYMBOLS (09 SEP 2001)
MIL-HDBK-57B (NOTICE 1), MILITARY HANDBOOK: LISTING OF FASTENER MANUFACTURER'S IDENTIFICATION SYMBOLS (09 SEP 2001)., MIL-HDBK-57B, dated 30 NOVEMBER 1990, has been reviewed and
determined to be valid for use in acquisition.