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 5945-01-331-9561
NSN 5930-01-470-7155
NSN 5910-01-470-8625
NSN 5960-01-019-4920
NSN 6110-01-429-2358
NSN 6145-00-481-1954
NSN 5999-01-645-1238
NSN 6145-00-648-2726
NSN 7035-00-731-8729
NSN 6650-01-292-2963
NSN 5999-01-384-3369
NSN 5985-01-644-3132