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 5905-00-159-8238
NSN 5920-00-924-3937
NSN 6240-00-860-7626
NSN 5930-01-225-5615
NSN 5990-01-324-7529
NSN 6650-00-977-7533
NSN 5920-01-412-1080
NSN 5895-01-385-4512
NSN 6150-00-798-1131
NSN 5996-01-210-0280
NSN 2925-01-330-2988
NSN 6130-01-081-9974