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 4140-01-600-1789
NSN 6320-00-036-3688
NSN 5998-01-359-8875
NSN 7035-00-153-3826
NSN 5895-00-027-3444
NSN 5930-01-180-7545
NSN 5996-00-409-9683
NSN 6610-01-136-4866
NSN 6110-01-378-5322
NSN 4140-01-543-8282
NSN 5835-01-328-6626
NSN 6650-00-111-3399