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 5910-01-650-0017
NSN 5990-01-149-0691
NSN 6135-00-686-4777
NSN 5910-00-221-5060
NSN 5975-01-517-5237
NSN 6150-00-148-8515
NSN 2925-00-844-2789
NSN 5915-01-506-1886
NSN 5996-01-474-6834
NSN 5999-00-816-4937
NSN 6320-00-853-1920
NSN 6105-01-357-6320