Clevis Pins can be manufactured in a range of styles which include holes for cotter pins, grooves for various styles of clips, spring-loaded balls (also known as "detent", "cotterless", or ...

the bottom clevis (right) is a red clevis pin attached to a cable which, in turn is attached to the top clevis (left). (Click on the image for a larger version.) A clevis fastener is a three-piece ...