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 6620-00-482-1073
NSN 6105-00-887-3793
NSN 6130-00-186-8460
NSN 6130-01-321-3103
NSN 5920-00-226-7148
NSN 5855-01-068-3683
NSN 5920-01-475-1216
NSN 5996-01-371-2958
NSN 6110-01-381-7014
NSN 5996-01-341-9130
NSN 5975-00-236-0841
NSN 6105-01-588-9129