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 6645-01-325-9301
NSN 6650-01-258-5871
NSN 5935-00-419-7398
NSN 6110-01-461-9617
NSN 5965-01-350-1890
NSN 5998-01-434-2249
NSN 7035-01-438-2108
NSN 6240-00-903-4660
NSN 6240-01-258-6298
NSN 6150-01-428-2630
NSN 5985-01-454-0497
NSN 7035-01-076-4067