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 4140-01-607-0795
NSN 5950-01-594-3131
NSN 6650-00-095-6490
NSN 5999-00-243-9820
NSN 6105-00-902-0998
NSN 5925-01-613-7921
NSN 6110-00-056-8133
NSN 5915-01-618-1048
NSN 6105-00-299-6373
NSN 5935-01-590-4465
NSN 6620-01-023-9330
NSN 5930-01-077-0774