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 6145-01-568-4929
NSN 5990-01-434-3469
NSN 5965-01-633-8849
NSN 5920-00-280-5069
NSN 5915-00-442-1197
NSN 5835-01-098-4289
NSN 5998-01-163-8232
NSN 6620-01-512-2016
NSN 5945-01-452-9606
NSN 5910-00-916-0798
NSN 4140-01-239-9919
NSN 6110-01-325-1884