A pintle is a pin or bolt, usually inserted into a gudgeon, which is used as part of a pivot or hinge. A pintle/gudgeon set is used in many spheres, for example: in sailing to hold the rudder onto the boat; in transportation a pincer-type device clamps through a lunette ring on the tongue of a trailer; in controllable solid rocket motors a plug moves into and out of the motor throat to control thrust. As a weapon mount a pintle-mount is used with machine guns as the mounting hardware that mat… (More on Pintle)