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 6320-01-631-7828
NSN 6610-01-130-4489
NSN 5855-00-560-0110
NSN 6685-01-586-5808
NSN 5920-00-568-0926
NSN 7035-01-514-2221
NSN 5998-01-441-1743
NSN 6110-01-193-4832
NSN 6105-01-270-1451
NSN 6650-00-515-6002
NSN 2925-01-090-2391
NSN 6320-01-017-5274