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 5999-01-239-9735
NSN 5855-01-187-2293
NSN 6135-01-517-6060
NSN 6130-00-509-1591
NSN 6685-01-612-7093
NSN 6110-01-028-7980
NSN 6145-01-030-4944
NSN 6150-01-470-1754
NSN 5960-01-007-6811
NSN 5935-01-389-7069
NSN 6135-00-062-5080
NSN 5835-01-025-8761