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: Other articles of iron or steel not wire nesoi
NSN 6110-01-178-5996
NSN 5960-00-731-1908
NSN 6150-01-420-4181
NSN 6145-01-332-2245
NSN 5999-00-593-6535
NSN 6620-01-044-3371
NSN 5910-00-282-7918
NSN 6105-01-264-8991
NSN 6320-00-521-9350
NSN 5945-01-134-5312
NSN 5930-01-221-2359
NSN 5998-00-350-9640