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 5990-00-078-8529
NSN 5895-01-348-4201
NSN 6320-01-219-5174
NSN 5925-01-443-6246
NSN 6135-00-816-9052
NSN 4140-00-204-3563
NSN 5910-01-658-4313
NSN 6150-01-434-1545
NSN 5998-00-776-7529
NSN 6650-00-994-9843
NSN 6645-01-218-5234
NSN 6220-00-725-7494