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 4140-01-324-1707
NSN 6240-01-502-7883
NSN 5895-00-981-9838
NSN 6145-00-502-1828
NSN 5990-01-633-9503
NSN 5990-00-497-5954
NSN 2925-00-113-6146
NSN 5999-01-487-4197
NSN 6610-00-846-4525
NSN 6620-00-914-6818
NSN 6150-01-434-5123
NSN 5965-00-964-1756