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.
NSN 5935-00-776-7210
NSN 6320-00-456-0836
NSN 5985-00-676-4852
NSN 5985-00-317-8237
NSN 5915-01-628-0180
NSN 5990-00-910-2415
NSN 5960-01-433-7565
NSN 5996-00-986-1122
NSN 5855-01-453-6384
NSN 4140-00-994-7145
NSN 5990-01-413-2405
NSN 6320-00-343-1798