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 6105-01-628-9110
NSN 5920-01-227-1877
NSN 6150-00-288-6245
NSN 6220-01-393-1808
NSN 5835-01-475-5714
NSN 4140-01-321-7853
NSN 6645-01-519-3007
NSN 5925-00-905-5135
NSN 5915-00-937-8476
NSN 5935-01-104-5292
NSN 5855-00-797-8217
NSN 5950-01-463-3606