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 5895-01-585-2834
NSN 5835-00-227-7909
NSN 4140-00-451-3017
NSN 6130-01-301-6721
NSN 5945-00-473-3369
NSN 5998-00-740-7515
NSN 5920-01-488-4180
NSN 5835-01-493-1826
NSN 6110-01-093-4070
NSN 6620-00-456-0404
NSN 7035-01-202-8172
NSN 5945-01-095-1458