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 6650-01-100-3185
NSN 6685-00-043-0749
NSN 6130-00-281-2828
NSN 5835-01-227-4752
NSN 5915-00-130-9099
NSN 5999-01-020-7641
NSN 6685-00-840-4801
NSN 4140-00-350-5441
NSN 6650-00-934-8316
NSN 5945-01-266-4624
NSN 6650-01-423-8131
NSN 5895-01-409-2949