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 5990-01-356-4259
NSN 5910-01-230-0713
NSN 6130-01-462-5428
NSN 6645-01-468-4990
NSN 5945-01-009-2200
NSN 6650-00-030-2257
NSN 5905-00-288-1907
NSN 5910-01-260-7956
NSN 6240-00-451-5000
NSN 5935-00-923-0158
NSN 5930-01-576-9816
NSN 5990-01-620-6736