MS51497 (NOTICE 1), MILITARY STANDARD: STUD, LOCKED IN-RING LOCKED, SERRATED, HIGH STRENGTH, OVERSIZE REPLACER (18 JUL 1997).
MS51497 (NOTICE 1), MILITARY STANDARD: STUD, LOCKED IN-RING LOCKED, SERRATED, HIGH STRENGTH, OVERSIZE REPLACER (18 JUL 1997).