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 5910-01-644-2877
NSN 6110-00-148-3661
NSN 5950-01-176-2616
NSN 5945-00-005-3209
NSN 5960-01-543-0235
NSN 5999-01-381-1389
NSN 6650-01-418-0790
NSN 5935-00-355-4739
NSN 5950-00-929-4057
NSN 5855-00-198-3197
NSN 6650-01-249-3201
NSN 5920-00-682-0500