MIL-S-10520D (NOTICE 1), MILITARY SPECIFICATION: STEEL, FORGING, FOR PROJECTILE STOCK (01 APR 1988) [S/S BY ASTM A711-90 OR ASTM A575-90]
MIL-S-10520D (NOTICE 1), MILITARY SPECIFICATION: STEEL, FORGING, FOR PROJECTILE STOCK (01 APR 1988) [S/S BY ASTM A711-90 OR ASTM A575-90].