A clevis pin is a type of fastener that will allow rotation of the connected parts about the axis of the pin. A clevis pin consists of a head, shank and hole. The hole passes through the shank at the opposite end of the pin from the head. A cotter pin is inserted through the hole to keep the clevis pin in place after assembly of the parts to be fastened.

Typical uses of clevis pins include fastening turnbuckles in rigging. clevis pins are used extensively in the Automotive, Aircraft and construction industries.