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 6150-01-106-2746
NSN 5930-01-316-0977
NSN 5998-01-061-2503
NSN 5835-00-406-8460
NSN 5915-01-458-9598
NSN 6320-01-265-0665
NSN 5960-00-702-6422
NSN 6220-01-401-5337
NSN 6610-01-066-4664
NSN 6105-00-827-0616
NSN 6620-01-518-7021
NSN 2925-01-444-2061