MIL-P-12235, MILITARY SPECIFICATION: PROJECTILE, PLATE-PROOFING (FOR IMPACT OR SHOCK TESTING) 37mm M1000, 57mm M1001, 75mm M1002, 90mm M1003, 105mm M1004 (27 SEP 1952) [S/S BY MIL-DTL-12235A]

MIL-P-12235, MILITARY SPECIFICATION: PROJECTILE, PLATE-PROOFING (FOR IMPACT OR SHOCK TESTING) 37mm M1000, 57mm M1001, 75mm M1002, 90mm M1003, 105mm M1004 (27 SEP 1952) [S/S BY MIL-DTL-12235A]., This specification covers plate-proofing projectiles made from steel and aluminum bar stock for use in impacting or shock-testing armor, armor weldments, and other armor structures (see 6.1).