MS90727F, MILITARY STANDARD: SCREW, CAP, HEXAGON HEAD (FINISHED HEXAGON BOLT), ALLOY STEEL, GRADE 8, ZINC COATED UNF-2A, PLAIN AND SELF-LOCKING (04 NOV 1988) [SUPERSEDED BY ANSI-B18.2.1].
MS90727F, MILITARY STANDARD: SCREW, CAP, HEXAGON HEAD (FINISHED HEXAGON BOLT), ALLOY STEEL, GRADE 8, ZINC COATED UNF-2A, PLAIN AND SELF-LOCKING (04 NOV 1988) [SUPERSEDED BY ANSI-B18.2.1].