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 6650-01-550-5221
NSN 5990-00-184-5750
NSN 4140-00-432-0456
NSN 5920-01-328-3801
NSN 6220-00-905-1488
NSN 5965-01-602-8072
NSN 5930-01-089-8615
NSN 6240-01-379-4547
NSN 5855-00-004-0904
NSN 6610-00-841-8221
NSN 5965-00-929-9415
NSN 6130-01-476-7802