GGG-W-660A, FEDERAL SPECIFICATION: SOCKET, SOCKET WRENCH AND ATTACHMENTS (FOR POWER-DRIVEN IMPACT WRENCHES) (19-SEP-1973)

GGG-W-660A, FEDERAL SPECIFICATION: SOCKET, SOCKET WRENCH AND ATTACHMENTS (FOR POWER-DRIVEN IMPACT WRENCHES) (19-SEP-1973)., This specification covers sockets and attachments used with power-driven impact wrenches and nut runners.