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 5950-01-290-7144
NSN 5920-01-188-6458
NSN 6610-01-459-1951
NSN 5935-01-634-0668
NSN 2925-01-545-2717
NSN 6145-01-003-9741
NSN 5999-01-291-9170
NSN 5855-01-502-8655
NSN 5985-01-115-7034
NSN 5996-01-390-5010
NSN 6150-00-081-9928
NSN 6620-00-880-1361