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 6150-01-028-2225
NSN 5930-00-191-6569
NSN 5999-01-072-1949
NSN 6110-01-370-4984
NSN 5925-01-064-9884
NSN 5960-01-108-6636
NSN 6685-01-185-2523
NSN 6130-00-128-0034
NSN 5920-01-328-7911
NSN 6130-01-061-2841
NSN 6650-00-175-1342
NSN 5835-00-833-7080