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 5910-01-485-5051
NSN 6240-00-296-0488
NSN 6150-01-303-5055
NSN 6320-00-937-5625
NSN 6130-01-634-0603
NSN 6685-01-576-5848
NSN 5945-01-634-0588
NSN 5945-01-159-9778
NSN 6610-00-966-5740
NSN 6320-00-809-5744
NSN 5920-01-069-4999
NSN 6145-00-057-2483