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 5999-00-513-7763
NSN 5925-01-593-5431
NSN 5905-00-839-2769
NSN 6620-00-079-4595
NSN 6320-01-054-3046
NSN 6240-01-462-5433
NSN 5990-00-757-5262
NSN 6650-00-629-8027
NSN 6150-01-041-1355
NSN 5895-00-155-4578
NSN 6685-00-836-3002
NSN 5895-00-373-2743