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 6135-01-497-4516
NSN 6650-00-717-8913
NSN 6620-00-223-2500
NSN 6620-01-540-1524
NSN 5895-01-051-3007
NSN 5925-01-354-6097
NSN 6610-01-018-2431
NSN 6135-00-983-9187
NSN 6135-00-375-6861
NSN 5935-01-559-6339
NSN 5910-00-856-6150
NSN 5930-00-368-4149