A Cotter Hair Pin is used to secure a clevis pin in place. It is typically made of metal and has a split end that allows it to be inserted into a hole. The cotter hair pin is then bent over the clevis pin to prevent it from coming loose.Attributes:• Used to prevent the clevis pin from rotating• Manufactured to precise specifications and is built for durability and reliabilityApplications:A Cotter Hair Pin is used to distribute the load on the clevis pin.