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 5930-00-653-3514
NSN 6105-01-237-2507
NSN 5998-01-583-8421
NSN 5930-01-010-3283
NSN 5935-01-036-9939
NSN 6620-01-538-1415
NSN 5930-01-362-2931
NSN 5950-01-541-6904
NSN 5935-01-602-3143
NSN 5945-00-566-5115
NSN 6650-01-051-2021
NSN 5935-00-421-6112