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 2925-01-541-7217
NSN 4140-01-612-0215
NSN 5935-01-511-2370
NSN 5990-00-462-9112
NSN 6105-01-529-4204
NSN 6320-00-174-1362
NSN 5925-00-583-2617
NSN 5998-01-004-9221
NSN 5998-01-014-2015
NSN 6320-00-809-5744
NSN 6150-00-961-3915
NSN 6610-01-580-8192