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 5985-01-250-8931
NSN 5990-00-727-0723
NSN 5996-01-492-1695
NSN 5975-01-525-5753
NSN 6650-01-252-5428
NSN 6135-01-025-8109
NSN 6130-00-483-9766
NSN 5996-01-415-3291
NSN 5999-01-568-7188
NSN 6130-00-441-3417
NSN 6110-01-316-8202
NSN 6130-00-728-0705