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 4140-00-474-9973
NSN 6645-01-295-4373
NSN 5965-00-320-7821
NSN 5990-00-050-7693
NSN 5945-01-554-9378
NSN 5999-01-390-5654
NSN 5990-01-544-4360
NSN 5965-00-436-2226
NSN 5999-01-117-6466
NSN 5835-01-252-5879
NSN 2925-00-906-0421
NSN 6620-01-633-8443