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 6150-01-202-1005
NSN 5998-01-004-8935
NSN 5998-01-454-3415
NSN 5975-01-287-2155
NSN 6110-00-759-8317
NSN 5965-01-480-9229
NSN 5930-01-444-7889
NSN 5975-00-557-2804
NSN 6620-00-062-9722
NSN 5935-01-314-4947
NSN 5985-01-413-4661
NSN 6320-01-204-2922