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 5996-01-253-3486
NSN 5895-01-389-8273
NSN 6130-01-269-5938
NSN 5935-01-550-9618
NSN 6620-00-339-0974
NSN 6150-01-165-4383
NSN 6620-01-589-5411
NSN 5965-01-267-8536
NSN 5965-00-768-4366
NSN 5935-01-508-6262
NSN 5998-01-571-4722
NSN 6145-01-430-7211