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 5945-00-008-8700
NSN 4140-00-736-8813
NSN 5835-00-405-1099
NSN 5925-00-008-4413
NSN 6620-01-400-2928
NSN 7035-01-659-5796
NSN 5910-00-562-7689
NSN 6130-01-649-8053
NSN 6650-00-465-7654
NSN 4140-01-215-1125
NSN 6150-00-945-2251
NSN 6145-01-414-5665