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 5855-01-175-3990
NSN 6650-01-381-2972
NSN 6650-01-398-7323
NSN 6110-00-193-2847
NSN 6150-01-320-8495
NSN 6645-01-253-1950
NSN 5999-01-088-7092
NSN 6645-01-466-2083
NSN 6645-00-269-2764
NSN 5960-00-271-1396
NSN 5985-00-136-0418
NSN 5895-01-631-1827