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.
NSN 4140-00-295-0787
NSN 6220-01-436-3850
NSN 6105-01-267-5063
NSN 5855-00-896-4047
NSN 6610-00-862-5901
NSN 6685-01-347-3574
NSN 5930-00-485-5944
NSN 6685-00-427-1865
NSN 5915-00-758-6949
NSN 6220-01-563-7995
NSN 5835-01-435-4139
NSN 5935-01-436-1429