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 5990-01-578-5382
NSN 6105-01-013-9252
NSN 5835-01-067-0075
NSN 5999-00-149-0624
NSN 5990-01-485-0260
NSN 6110-01-327-4572
NSN 6105-01-560-1077
NSN 6645-00-081-4298
NSN 5925-01-634-0664
NSN 5935-01-391-3178
NSN 7035-00-495-2137
NSN 5996-00-175-0462