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: Other articles of iron or steel not wire nesoi
NSN 5925-01-058-1853
NSN 5960-01-349-8791
NSN 7035-01-613-8345
NSN 6105-00-478-8988
NSN 5935-01-272-7205
NSN 6240-00-089-8364
NSN 5905-01-432-8934
NSN 5905-00-171-2652
NSN 5855-01-149-4110
NSN 6105-00-925-0239
NSN 6135-00-455-2425
NSN 6240-00-421-5368