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 4140-01-331-5974
NSN 6145-00-682-3484
NSN 5920-01-192-5535
NSN 5930-01-353-7168
NSN 6320-01-261-5983
NSN 6650-01-479-5075
NSN 4140-01-144-5179
NSN 5999-01-523-4134
NSN 5935-00-929-3670
NSN 5985-01-040-4184
NSN 5835-01-132-5894
NSN 5990-00-110-9441