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 5910-01-081-2513
NSN 5998-01-537-0898
NSN 5835-01-254-8584
NSN 5999-01-524-3838
NSN 5925-00-138-7585
NSN 5835-00-327-6192
NSN 5999-01-196-6962
NSN 5920-01-044-4877
NSN 5835-00-196-9771
NSN 6220-01-523-9290
NSN 6620-00-974-7595
NSN 5920-01-150-3499