MS51481 (NOTICE 2), MILITARY STANDARD: SCREW, MACHINE, 82 DEGREE FLAT COUNTERSUNK HEAD, CROSS-RECESSED, CARBON STEEL, UNC-2A (18 NOV 1999).
MS51481 (NOTICE 2), MILITARY STANDARD: SCREW, MACHINE, 82 DEGREE FLAT COUNTERSUNK HEAD, CROSS-RECESSED, CARBON STEEL, UNC-2A (18 NOV 1999).