MIL-S-43A, MILITARY SPECIFICATION: STEEL BARS FOR PROJECTILE STOCK (31-JUL-1951) [SUPERSEDES JAN-S-43] [NO S/S DOCUMENT]

MIL-S-43A, MILITARY SPECIFICATION: STEEL BARS FOR PROJECTILE STOCK (31-JUL-1951) [SUPERSEDES JAN-S-43] [NO S/S DOCUMENT]., This specification covers steel in the form of cold-drawn and stress-relieved carbon steel bars intended for the manufacture of projectiles not larger than 2 inches in diameter, by machining in screw machines.