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.
NSN 6220-01-657-4513
NSN 5945-01-435-0459
NSN 5905-00-891-4255
NSN 4140-01-241-2197
NSN 5920-01-364-5193
NSN 5905-01-174-3414
NSN 5855-01-167-2162
NSN 5895-01-290-3887
NSN 6650-01-423-9772
NSN 6135-00-027-3914
NSN 6130-01-051-0579
NSN 6220-01-494-7917