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 5996-01-347-4656
NSN 6150-00-758-3602
NSN 6620-01-467-2111
NSN 5935-01-379-3470
NSN 5996-01-069-2915
NSN 6620-00-010-8190
NSN 6110-00-505-1671
NSN 6650-01-381-7172
NSN 5855-01-512-1926
NSN 5945-01-647-7473
NSN 5935-01-435-6315
NSN 5975-01-028-9413