A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5835-00-823-6116
NSN 6650-01-343-8008
NSN 6145-01-032-6116
NSN 5996-01-310-8683
NSN 5925-01-364-0771
NSN 6145-01-335-7939
NSN 5920-00-179-4580
NSN 6105-01-471-6780
NSN 6105-00-336-3323
NSN 5895-01-407-8948
NSN 5975-01-495-0465
NSN 6105-01-367-1501