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 lead, nesoi
NSN 5930-00-279-2897
NSN 5915-01-558-6597
NSN 6320-01-056-1164
NSN 7035-01-337-1729
NSN 6320-01-536-3077
NSN 5960-01-449-1310
NSN 5895-01-141-0244
NSN 4140-00-948-7041
NSN 5950-00-865-4892
NSN 5990-01-191-9624
NSN 6240-01-158-4266
NSN 6150-01-594-0020