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: Other articles of iron or steel not wire nesoi
NSN 6220-01-511-1629
NSN 6220-01-182-7737
NSN 5915-00-275-5348
NSN 6645-00-557-0322
NSN 5930-01-445-3664
NSN 6130-01-439-5109
NSN 5975-00-824-5483
NSN 5999-01-086-0391
NSN 6320-00-174-1362
NSN 6220-00-734-8874
NSN 5999-01-024-9383
NSN 6135-00-196-5267