MIL-G-21110, MILITARY SPECIFICATION: GUN BARRELS, GENERAL SPECIFICATIONS FOR (05 NOV 1957) [NO S/S DOCUMENT]

MIL-G-21110, MILITARY SPECIFICATION: GUN BARRELS, GENERAL SPECIFICATIONS FOR (05 NOV 1957) [NO S/S DOCUMENT]., This specification covers requirements of a general nature, pertinent to all types and classes of Naval gun barrels.