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 4140-01-563-0908
NSN 5975-00-580-0434
NSN 6620-01-091-1038
NSN 5935-00-864-7715
NSN 5935-00-715-2862
NSN 6150-01-017-8603
NSN 6610-01-633-8931
NSN 5930-01-509-0531
NSN 5975-01-475-3814
NSN 5965-00-804-1374
NSN 5945-00-785-4270
NSN 5930-01-228-8281