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 6620-01-445-1409
NSN 6135-00-660-8654
NSN 6145-00-420-2177
NSN 5925-00-231-8668
NSN 6150-01-406-3431
NSN 6620-01-454-2450
NSN 6240-00-956-6424
NSN 5996-01-337-3516
NSN 6320-01-521-1764
NSN 5960-01-462-7704
NSN 5895-01-504-5864
NSN 6320-01-232-4664