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 6685-01-384-8452
NSN 2925-00-196-9003
NSN 5935-01-371-7000
NSN 5990-01-504-9265
NSN 5920-01-522-0240
NSN 5990-01-189-9338
NSN 5835-00-284-0882
NSN 5998-00-580-1545
NSN 4140-01-460-7998
NSN 5835-01-498-9410
NSN 5990-01-215-5997
NSN 6610-00-817-8772