MIL-STD-637A (NOTICE 2), MILITARY STANDARD: MACHINE AND AUTOMATIC GUNS AND MACHINE GUN TRAINERS THROUGH 30-MM (21 AUG 1989) [NO S/S DOCUMENT]

MIL-STD-637A (NOTICE 2), MILITARY STANDARD: MACHINE AND AUTOMATIC GUNS AND MACHINE GUN TRAINERS THROUGH 30-MM (21 AUG 1989) [NO S/S DOCUMENT]., MIL-STD-637A dated 13 February 1961 and Notice 1 dated 10 December 1962 are Inactive for new design and are no longer used by the Navy except for replacement purposes. They may also be required for foreign military sales spares procurement.