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 5855-01-169-4275
NSN 2925-00-369-9473
NSN 6240-01-083-2431
NSN 5915-01-180-0344
NSN 5920-00-216-8665
NSN 6105-00-227-1412
NSN 2925-00-497-7808
NSN 2925-01-412-9520
NSN 6320-01-325-8322
NSN 7035-01-027-2259
NSN 5925-00-553-9899
NSN 6150-00-823-5590