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 5935-01-223-1607
NSN 5998-01-634-0604
NSN 5855-00-832-9341
NSN 5990-01-272-4091
NSN 5935-01-570-7399
NSN 5920-00-554-0437
NSN 6645-01-530-3654
NSN 6110-00-244-1209
NSN 6620-00-708-2688
NSN 6610-00-091-7347
NSN 6150-01-587-6617
NSN 5960-01-486-3060