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 6150-01-352-3227
NSN 5910-01-301-1051
NSN 5835-01-629-2044
NSN 6620-00-190-3385
NSN 5950-01-337-1404
NSN 6145-01-342-1311
NSN 5910-00-357-4892
NSN 6145-01-282-8255
NSN 5910-01-130-9483
NSN 5960-00-351-4821
NSN 6145-01-169-9657
NSN 5990-01-595-9441