MIL-STD-637A (NOTICE 1), MILITARY STANDARD: MACHINE AND AUTOMATIC GUNS AND MACHINE GUN TRAINERS THROUGH 30-MM (10 DEC 1962) [NO S/S DOCUMENT]

MIL-STD-637A (NOTICE 1), MILITARY STANDARD: MACHINE AND AUTOMATIC GUNS AND MACHINE GUN TRAINERS THROUGH 30-MM (10 DEC 1962) [NO S/S DOCUMENT]., The following pages of Mil-Std-637A have been revised and supersede the pages listed.