MS51108B, MILITARY STANDARD, SCREW, CAP, HEXAGON HEAD (FINISHED HEXAGON BOLT), SHANK DRILLED FOR COTTER PIN, ALLOY STEEL, GRADE 8, PHOSPHATE COATED, UNF-2A (1 MAY 1969)

MS51108B, MILITARY STANDARD, SCREW, CAP, HEXAGON HEAD (FINISHED HEXAGON BOLT), SHANK DRILLED FOR COTTER PIN, ALLOY STEEL, GRADE 8, PHOSPHATE COATED, UNF-2A (1 MAY 1969).