Natural Nylon Flanged Bushing Washer Shoulder Washer - Outside Diameter 9.3 mm | 0.365 in; Base Height 9.8 mm | 0.385 in; Base Outside Diameter 9.3 mm | 0.365 in; Compatible Screw Sizes 5/16

Cylindrical with Flange Shoulder Washer made from Nylon. It is designed to create interference on both the outside diameter of a hexagonal nut and the inside diameter of a bolt. It reduces friction and wear, preventing damage. It is a widely used product in a wide range of applications and industries. Material UL flame rated.