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 5935-01-385-2179
NSN 5855-01-461-9207
NSN 6105-01-267-3757
NSN 5998-01-634-0604
NSN 6110-00-516-8645
NSN 6240-00-201-9011
NSN 5945-01-227-5095
NSN 6130-01-650-8514
NSN 5905-00-738-6963
NSN 6110-01-013-1946
NSN 6150-01-357-6791
NSN 5950-01-300-2445