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 5920-01-100-3018
NSN 6610-00-079-1508
NSN 5998-01-439-7947
NSN 6110-01-573-8772
NSN 6650-01-089-8890
NSN 6685-00-930-1769
NSN 5915-01-369-9746
NSN 5965-01-261-0569
NSN 5965-01-566-2744
NSN 6130-00-598-2034
NSN 6610-01-307-0911
NSN 6135-00-998-5884