MIL-B-7874B, MILITARY SPECIFICATION, BOLT, MACHINE, 1200 DEGREES F (3 DEC 1982) [S/S by NASM7874]

MIL-B-7874B, MILITARY SPECIFICATION, BOLT, MACHINE, 1200 DEGREES F (3 DEC 1982) [S/S by NASM7874]., This specification establishes the requirements for the manufacture and inspection of one type and class of bolt that shall be furnished in one grade only for use where temepratures will not exceed 1200 deg. F.