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 4140-01-644-2555
NSN 5965-00-300-8055
NSN 7035-01-562-0704
NSN 6650-01-037-7637
NSN 6320-01-220-2264
NSN 6105-01-032-5168
NSN 6650-00-809-1817
NSN 6110-00-854-2249
NSN 5905-01-354-7065
NSN 5925-00-116-4888
NSN 5930-01-256-8907
NSN 5999-01-048-4272