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 4140-00-541-9077
NSN 6240-00-469-6242
NSN 5998-00-502-3772
NSN 7035-01-100-5973
NSN 5920-01-087-3725
NSN 5895-01-525-2345
NSN 5999-01-160-8946
NSN 6135-00-078-9931
NSN 6150-01-474-0688
NSN 7035-01-082-6250
NSN 5996-01-104-4161
NSN 6150-00-117-4284