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 5930-00-589-1253
NSN 5965-00-520-2686
NSN 6130-00-939-5770
NSN 5990-01-633-9503
NSN 5965-00-905-7561
NSN 5915-00-553-8755
NSN 4140-01-314-4013
NSN 6240-00-300-9883
NSN 5999-00-596-8745
NSN 5985-01-166-5892
NSN 6645-00-851-6654
NSN 5996-00-134-2963