MIL-G-45653, MILITARY SPECIFICATION, GAGE, CYLINDRICAL PLUG AND RING, PLAIN (30 DEC 1959)., This specification covers manufacture, inspection, and preparation for delivery requirements for plain cylindrical, plug and plain ring gages listed in Military Standards 110, 111, 112, 113, 116, 117, 133, and 134 and for plain cylindrical plug gages and plain ring gages made to American Gage Design Standard (AGD) specifications of sizes not listed in a Military Standard (Prototypes of the Mil-Stds.)