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 6320-01-181-9474
NSN 6650-01-467-2355
NSN 5835-00-785-7921
NSN 5905-01-249-1944
NSN 5990-01-514-8708
NSN 5945-00-083-8897
NSN 5999-00-125-6829
NSN 6645-00-351-8580
NSN 6105-01-262-0183
NSN 5999-00-288-0074
NSN 6320-00-116-3658
NSN 5985-00-960-4595