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 5910-01-126-2566
NSN 5935-01-598-8067
NSN 5930-01-419-2269
NSN 5835-01-076-4091
NSN 6145-00-511-6061
NSN 5975-01-204-0934
NSN 5855-01-571-3245
NSN 5945-01-052-0108
NSN 6650-01-261-5239
NSN 5935-01-193-1505
NSN 6150-01-563-3199
NSN 7035-01-044-0136