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 6220-00-135-0139
NSN 5999-01-052-1069
NSN 5985-01-377-7175
NSN 6105-01-237-2507
NSN 5975-01-523-9907
NSN 6620-01-364-0195
NSN 4140-00-256-9913
NSN 5855-01-645-0531
NSN 5920-01-168-7810
NSN 6620-00-970-2363
NSN 5855-00-763-2155
NSN 4140-00-929-6126