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 6220-00-919-8172
NSN 5935-01-406-6654
NSN 5998-00-515-2252
NSN 5998-00-156-7874
NSN 5855-01-581-2143
NSN 6320-01-364-1840
NSN 5930-01-429-3457
NSN 5975-01-144-9401
NSN 6240-00-476-6916
NSN 4140-01-380-1924
NSN 5905-01-192-5318
NSN 6220-01-211-0942