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 6620-00-992-5876
NSN 5990-00-539-7859
NSN 6320-01-277-5793
NSN 5935-01-317-4111
NSN 5985-01-175-4889
NSN 6220-00-527-1177
NSN 5930-01-398-7239
NSN 7035-01-226-1773
NSN 5945-01-320-6907
NSN 6130-00-928-6045
NSN 5935-01-076-4998
NSN 6320-00-831-2227