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 5990-01-136-4068
NSN 5998-01-203-5879
NSN 5895-00-153-2595
NSN 7035-01-429-7954
NSN 5855-01-087-1417
NSN 5895-00-332-9394
NSN 5998-01-252-4421
NSN 6105-00-238-6569
NSN 5915-01-113-7872
NSN 5895-01-344-5027
NSN 4140-01-388-2007
NSN 5930-01-065-2286