MIL-C-23315A, MILITARY SPECIFICATION: CROWN, SERVICE CAP: TROPICAL WORSTED (01 SEP 1971) [S/S BY MIL-C-18186]

MIL-C-23315A, MILITARY SPECIFICATION: CROWN, SERVICE CAP: TROPICAL WORSTED (01 SEP 1971) [S/S BY MIL-C-18186]., This specification covers requirements for the removable tropical wool and polyester/wool service cap crowns.