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 5990-01-044-8804
NSN 5975-00-216-4848
NSN 5915-01-086-9000
NSN 5935-01-399-5913
NSN 5960-01-449-1310
NSN 5996-01-571-1450
NSN 5996-00-248-7061
NSN 6105-01-447-4483
NSN 5998-00-930-6621
NSN 5920-01-297-0800
NSN 4140-01-568-5668
NSN 5935-00-362-3152