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 5915-01-371-2906
NSN 5905-01-510-9397
NSN 5950-00-424-9646
NSN 5935-01-094-5162
NSN 5998-01-504-1120
NSN 6220-00-775-7498
NSN 4140-01-576-4014
NSN 6110-01-273-0867
NSN 6650-01-647-7656
NSN 5950-00-639-9675
NSN 5960-00-657-7823
NSN 6130-01-181-5475