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 6130-01-487-3255
NSN 5920-00-904-1549
NSN 4140-01-094-6836
NSN 6130-00-065-9995
NSN 5895-00-925-2423
NSN 6110-01-607-0891
NSN 6620-01-116-3983
NSN 6150-01-026-1630
NSN 6620-01-226-4065
NSN 5935-01-084-2524
NSN 5920-01-155-1128
NSN 4140-01-631-4080