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 5915-01-632-3525
NSN 5920-01-120-0994
NSN 5996-00-474-2245
NSN 5835-01-442-6482
NSN 5930-01-533-4846
NSN 6220-01-439-0999
NSN 6320-00-116-3658
NSN 5985-00-942-6168
NSN 6105-01-062-4584
NSN 5945-01-605-1480
NSN 6610-00-939-6510
NSN 5965-01-487-4479