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 6145-00-226-9499
NSN 5985-01-357-7200
NSN 5930-01-290-3886
NSN 5930-00-825-2681
NSN 5895-01-143-5443
NSN 4140-00-880-5140
NSN 6240-00-395-0019
NSN 5930-01-528-7177
NSN 5998-01-418-2239
NSN 5945-01-629-1884
NSN 6105-01-623-6204
NSN 5920-01-200-6274