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 5905-00-125-3517
NSN 6220-01-478-2038
NSN 4140-00-658-7271
NSN 5998-00-168-8950
NSN 6220-01-467-4782
NSN 5930-00-316-5309
NSN 5985-01-390-1653
NSN 4140-01-430-2335
NSN 5920-01-065-9148
NSN 5945-01-023-1668
NSN 6105-01-055-1567
NSN 5930-00-236-0332