MS9215A, MILITARY STANDARD: SCREW, MACHINE-STEEL DIFFUSED NICKEL-CADMIUM PLATE, DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, .138 40 UNJF 3A (09 MAY 1988).
MS9215A, MILITARY STANDARD: SCREW, MACHINE-STEEL DIFFUSED NICKEL-CADMIUM PLATE, DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, .138 40 UNJF 3A (09 MAY 1988).