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 4140-01-528-9611
NSN 6240-00-941-5211
NSN 6610-01-057-2194
NSN 6620-01-443-3526
NSN 5835-00-689-0278
NSN 6105-01-322-4613
NSN 5945-00-130-8097
NSN 6130-01-384-9466
NSN 5950-01-024-9461
NSN 5999-01-045-1862
NSN 5930-00-724-0318
NSN 5975-00-325-3566