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 6130-00-590-9412
NSN 6220-01-446-6228
NSN 5996-01-486-0687
NSN 5855-01-149-4110
NSN 6320-00-070-4544
NSN 5915-01-504-9999
NSN 6610-01-094-8442
NSN 6135-00-299-6918
NSN 5905-01-435-6357
NSN 6240-00-104-4662
NSN 5855-01-062-5655
NSN 5965-01-140-9446