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 5945-01-552-4567
NSN 6620-01-208-5915
NSN 6645-00-276-7544
NSN 6620-00-382-8827
NSN 5910-01-075-7115
NSN 5990-01-131-2008
NSN 6220-01-519-2892
NSN 6220-01-098-8171
NSN 6135-00-369-2368
NSN 5999-01-301-8311
NSN 5965-00-754-9059
NSN 5835-01-388-5198