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 5920-01-122-6303
NSN 6150-01-596-6638
NSN 5975-01-420-0336
NSN 5930-00-221-7490
NSN 5910-00-652-9313
NSN 2925-01-417-6815
NSN 5915-01-194-5540
NSN 5999-01-101-9156
NSN 6645-01-333-6962
NSN 4140-01-415-5595
NSN 5905-01-163-0354
NSN 6645-00-849-3615