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.
Classification: Articles of aluminum nesoi
NSN 6110-01-152-1097
NSN 5905-01-268-2927
NSN 4140-00-058-7109
NSN 6650-01-380-9424
NSN 6220-01-014-5351
NSN 6150-01-446-4399
NSN 5945-01-348-4428
NSN 6645-01-054-4423
NSN 6645-01-556-5263
NSN 5930-01-659-6374
NSN 6610-01-141-7014
NSN 5920-00-119-1406