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 5920-00-900-5336
NSN 5965-00-021-5620
NSN 6685-01-145-0270
NSN 5990-00-049-8887
NSN 6620-01-412-5514
NSN 7035-00-557-5570
NSN 5895-01-133-2542
NSN 5935-01-179-4296
NSN 5920-01-474-5404
NSN 5998-01-317-5119
NSN 5855-01-519-2933
NSN 5975-00-923-1889