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 2925-01-631-2372
NSN 6145-01-275-9905
NSN 6150-01-580-6547
NSN 6645-00-679-8203
NSN 4140-01-381-0099
NSN 6685-01-345-0826
NSN 6650-00-859-1859
NSN 5996-01-459-0585
NSN 4140-01-213-9199
NSN 6320-01-052-2118
NSN 6145-01-044-6666
NSN 6135-01-467-5100