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 5999-01-406-8723
NSN 2925-01-194-9737
NSN 5835-01-147-7526
NSN 6650-01-540-5157
NSN 6130-01-056-8665
NSN 5920-01-376-4926
NSN 5895-00-905-5730
NSN 4140-01-445-6656
NSN 5965-01-351-6977
NSN 5945-01-378-7499
NSN 5965-00-905-5197
NSN 6220-00-951-6900