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 6645-01-352-6583
NSN 6220-01-199-7241
NSN 5985-01-335-3370
NSN 5855-01-138-4985
NSN 5965-01-091-1884
NSN 5925-01-437-7528
NSN 7035-00-163-6221
NSN 5895-01-117-6488
NSN 6320-01-600-5808
NSN 5925-01-469-3103
NSN 6135-00-008-5345
NSN 7035-00-126-1899