MS51481, MILITARY STANDARD: SCREW, MACHINE, 82 DEGREE FLAT COUNTERSUNK HEAD, CROSS-RECESSED, CARBON STEEL, UNC-2A (01 AUG 1984).
MS51481, MILITARY STANDARD: SCREW, MACHINE, 82 DEGREE FLAT COUNTERSUNK HEAD, CROSS-RECESSED, CARBON STEEL, UNC-2A (01 AUG 1984).