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 5990-01-572-3137
NSN 5975-01-448-0893
NSN 5960-00-698-3765
NSN 6240-00-010-0527
NSN 5999-00-185-6032
NSN 6645-00-989-2972
NSN 6130-01-064-1466
NSN 5960-01-123-9553
NSN 5960-00-231-3171
NSN 5835-01-631-3940
NSN 6135-01-125-4867
NSN 6130-00-551-8316