United States Army training manual for the M60, M122 and M60D machine guns. US Government training manual# TM 9-1005-224-10. OPERATOR'S MANUAL FOR MACHINE GUN, 7.62-MM, M60 W/E (1005-00-605-7710) MOUNT, TRIPOD, MACHINE GUN, 7.62-MM, M166 (1005-00-710-5599) AND MACHINE GUN, 7.62-MM, M60D W/E (1005-00-909-3002). Published July 1985. Pin: 026382-000