MS35231A, MILITARY STANDARD: SCREW, MACHINE, PAN HEAD, SLOTTED, BRASS, BLACK OXIDE FINISH, NC-2A AND UNC-2A (22-JUN-1962) [S/S BY MS35214]
MS35231A, MILITARY STANDARD: SCREW, MACHINE, PAN HEAD, SLOTTED, BRASS, BLACK OXIDE FINISH, NC-2A AND UNC-2A (22-JUN-1962) [S/S BY MS35214].