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 5990-01-104-6703
NSN 5945-01-429-5736
NSN 5999-01-444-1791
NSN 6150-00-257-5027
NSN 5998-01-241-4950
NSN 5910-00-340-5375
NSN 6650-00-470-3905
NSN 5965-01-187-4008
NSN 6620-01-541-5480
NSN 6620-00-860-1626
NSN 2925-00-519-5292
NSN 5999-00-233-0619