MIL-C-49514A, MILITARY SPECIFICATION: COPPER CRUSHER SPHERES FOR CANNON AND MORTAR PRESSURE GAUGES, GENERAL SPECIFICATION FOR (16-FEB-1993) [S/S BY MIL-DTL-49514]

MIL-C-49514A, MILITARY SPECIFICATION: COPPER CRUSHER SPHERES FOR CANNON AND MORTAR PRESSURE GAUGES, GENERAL SPECIFICATION FOR (16-FEB-1993) [S/S BY MIL-DTL-49514]., This specification covers copper crusher spheres for use in crusher gauges, primarily intended for use in measuring pressures in weapons.