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 6620-01-615-7323
NSN 4140-00-975-5070
NSN 4140-00-635-9195
NSN 5945-00-344-9615
NSN 6145-00-213-9177
NSN 5910-01-344-1566
NSN 5895-01-254-3893
NSN 5835-01-263-1293
NSN 6645-01-629-9657
NSN 5905-01-169-2632
NSN 6240-00-519-3399
NSN 6240-01-400-4212