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 5965-01-468-5583
NSN 5915-00-647-2312
NSN 6130-00-288-1886
NSN 5996-01-371-2958
NSN 6645-00-498-6869
NSN 6650-00-475-2140
NSN 6645-00-945-9133
NSN 6150-01-227-2488
NSN 5998-00-177-6487
NSN 5835-01-049-3452
NSN 5990-01-294-6198
NSN 6105-01-369-3603