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 5999-01-567-4610
NSN 5910-00-419-2820
NSN 2925-01-273-4898
NSN 6610-00-255-8770
NSN 5998-01-651-5041
NSN 6320-01-206-6465
NSN 5895-01-178-8889
NSN 5935-01-004-0415
NSN 6620-01-521-6649
NSN 6650-00-287-5868
NSN 5905-01-165-0668
NSN 6650-00-549-5671