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 5998-00-942-3598
NSN 5835-00-518-4507
NSN 6150-01-268-2221
NSN 6130-00-104-8196
NSN 6240-01-447-3482
NSN 5975-01-459-9483
NSN 6220-01-520-4763
NSN 6685-01-328-4012
NSN 5905-01-424-4177
NSN 6150-01-233-7259
NSN 5905-01-274-1242
NSN 5835-00-275-0584