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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6240-00-455-7640
NSN 6130-01-429-0880
NSN 5945-01-310-8487
NSN 5930-01-594-6106
NSN 6645-00-279-1777
NSN 5915-00-780-8875
NSN 6320-01-371-3047
NSN 5935-01-607-1767
NSN 5975-00-392-2016
NSN 5945-01-096-7834
NSN 6320-01-216-1678
NSN 5925-00-565-5835