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 6105-01-338-9725
NSN 5855-01-380-9950
NSN 6320-00-886-9771
NSN 6135-01-400-2947
NSN 5930-00-650-4639
NSN 5915-00-754-4898
NSN 5930-01-315-2376
NSN 6145-00-225-8709
NSN 5996-00-833-2521
NSN 6645-01-087-7345
NSN 5895-00-180-8274
NSN 5996-00-675-9566