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 4140-01-175-6035
NSN 6240-01-292-3729
NSN 5835-00-954-2833
NSN 5915-01-643-2675
NSN 5895-00-909-6072
NSN 5915-00-514-2098
NSN 5920-01-239-2038
NSN 2925-01-578-7731
NSN 2925-01-359-4027
NSN 5960-01-142-1995
NSN 5855-01-578-1396
NSN 6650-00-180-6839