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 6150-01-480-4079
NSN 5935-01-200-1838
NSN 5930-00-776-4707
NSN 6150-01-443-3139
NSN 5905-01-319-3338
NSN 5960-00-388-9573
NSN 5905-00-151-6653
NSN 4140-01-502-8993
NSN 5935-00-404-2527
NSN 5965-00-324-2428
NSN 5835-00-480-5671
NSN 5910-01-227-5194