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.
NSN 6145-00-615-2019
NSN 4140-00-633-7540
NSN 5930-01-169-6455
NSN 5960-01-278-9394
NSN 5996-00-857-3077
NSN 6240-00-781-9899
NSN 6150-00-576-3964
NSN 5999-01-355-1989
NSN 6110-00-831-3727
NSN 6610-01-372-9248
NSN 5930-00-398-1517
NSN 6610-01-633-8931