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 5905-01-391-5673
NSN 2925-00-048-7172
NSN 5999-01-096-2540
NSN 6145-00-932-1950
NSN 6240-01-322-4887
NSN 5905-01-176-4820
NSN 5999-00-695-0339
NSN 5960-01-142-1995
NSN 5910-01-108-4443
NSN 5925-01-242-5635
NSN 5965-00-836-2690
NSN 4140-01-421-6945