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 6240-01-225-1183
NSN 6650-01-364-8504
NSN 5945-01-252-8662
NSN 6645-01-273-2462
NSN 5950-00-166-0794
NSN 6105-01-619-5105
NSN 6130-01-516-9693
NSN 5835-00-481-7130
NSN 5930-01-554-2683
NSN 6320-00-405-2348
NSN 6135-01-315-9214
NSN 5920-00-802-0666