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 6650-01-605-2302
NSN 5985-00-129-8165
NSN 5998-01-400-3582
NSN 5920-01-123-9854
NSN 5910-01-424-5483
NSN 6135-01-201-5858
NSN 5960-01-117-1887
NSN 5996-01-379-3998
NSN 6650-01-604-6246
NSN 5945-00-179-0799
NSN 6220-00-068-1000
NSN 6620-01-546-4942