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 5920-01-056-5284
NSN 5920-01-141-1741
NSN 5999-00-176-2335
NSN 2925-00-258-9786
NSN 5895-00-915-3106
NSN 5990-00-389-0554
NSN 6220-00-850-0365
NSN 6105-01-508-0231
NSN 6135-01-512-8740
NSN 5855-01-513-9601
NSN 5925-01-368-0629
NSN 5985-00-411-7359