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 5920-01-501-3072
NSN 6105-01-139-3460
NSN 5835-00-707-6266
NSN 6645-01-399-1626
NSN 6620-00-337-5610
NSN 5975-00-221-0579
NSN 5990-01-389-1196
NSN 5985-01-390-6297
NSN 6135-00-575-8942
NSN 5990-00-513-5328
NSN 6110-00-945-1101
NSN 6650-00-754-2276