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 6620-01-444-4048
NSN 6650-01-007-4744
NSN 5835-01-522-9881
NSN 6320-01-357-3222
NSN 6320-01-562-1599
NSN 5945-01-377-0551
NSN 5975-01-424-5344
NSN 6130-00-662-8557
NSN 6610-00-601-5107
NSN 6150-01-069-5164
NSN 6110-00-523-6887
NSN 5895-00-935-6168