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 5895-00-504-3210
NSN 6320-01-384-3850
NSN 6650-01-092-0017
NSN 6320-01-290-5271
NSN 5996-01-233-9893
NSN 6240-00-960-8458
NSN 5835-01-491-4613
NSN 2925-01-628-7580
NSN 5999-01-393-2232
NSN 6320-00-593-0379
NSN 6650-00-751-9958
NSN 6320-01-332-7020