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 6220-01-189-7990
NSN 5998-00-943-9119
NSN 5999-00-431-3930
NSN 6620-01-444-7053
NSN 6650-00-959-6869
NSN 6110-01-324-3816
NSN 5960-00-804-5405
NSN 5990-01-414-7618
NSN 5999-01-018-5293
NSN 5835-01-606-8768
NSN 5905-01-592-1671
NSN 6645-00-116-1409