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 6220-01-483-6752
NSN 6620-00-223-2500
NSN 4140-01-101-9946
NSN 5915-01-456-7988
NSN 5920-00-320-3061
NSN 5990-01-429-6211
NSN 5915-00-111-1905
NSN 5945-00-169-4612
NSN 6130-01-634-0603
NSN 5855-01-236-9645
NSN 5990-01-393-4808
NSN 5930-01-337-4975