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.
Dept. of the Army 
Dept. of the Air Force 
U.s. Marine Corps 
Dept. of the Navy 
Austria 
Greece Classification: Other articles of iron or steel not wire nesoi
NSN 6620-00-567-6006
NSN 5920-01-488-5186
NSN 6240-01-095-5421
NSN 6685-00-005-5392
NSN 5930-01-391-2537
NSN 6240-01-383-6915
NSN 5945-00-132-5139
NSN 2925-01-011-2325
NSN 6240-01-207-3863
NSN 6105-01-024-0720
NSN 2925-00-831-7024
NSN 7035-00-981-7216