MIL-C-85717, MILITARY SPECIFICATION: CARTRIDGE, 20 MILLIMETER, SEMI-ARMOR PIERCING HIGH EXPLOSIVE INCENDIARY, PGU-28/B (12 AUG 1986) [NO S/S DOCUMENT]

MIL-C-85717, MILITARY SPECIFICATION: CARTRIDGE, 20 MILLIMETER, SEMI-ARMOR PIERCING HIGH EXPLOSIVE INCENDIARY, PGU-28/B (12 AUG 1986) [NO S/S DOCUMENT]., This specification establishes the requirements for the manufacture and acceptance of the 20 millimeter (mm) Semi-armor Piercing, High Explosive Incendiary (SAPHEI) Cartridge, referred to herein as the “cartridge”.