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 6240-01-517-6086
NSN 5965-00-208-4896
NSN 6150-00-891-7922
NSN 5930-00-449-6263
NSN 5975-01-642-1802
NSN 6150-00-740-8011
NSN 5998-01-052-5786
NSN 5998-00-070-9389
NSN 6320-00-223-0498
NSN 6150-01-025-6305
NSN 6320-01-119-3935
NSN 6110-01-469-1390