RR-S-550F, FEDERAL SPECIFICATION: SOCKETS, WIRE ROPE (07-NOV-2018)

RR-S-550F, FEDERAL SPECIFICATION: SOCKETS, WIRE ROPE (07-NOV-2018)., This specification covers mechanical sockets for mechanical wire ropes used in rigging,hoisting, towing, stowage, excavating, logging and stump removing equipment, and marine applications.