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 aluminum nesoi
NSN 5998-00-431-4843
NSN 5998-01-441-9315
NSN 5990-00-247-0975
NSN 6320-01-554-0901
NSN 5945-01-095-2243
NSN 6130-01-487-3758
NSN 5905-00-828-3431
NSN 5999-00-820-9955
NSN 6130-01-263-8756
NSN 5990-01-550-7827
NSN 5950-00-392-3886
NSN 6685-01-262-8663