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 5975-01-655-7276
NSN 5895-01-062-1792
NSN 5975-00-496-3433
NSN 6650-01-179-3823
NSN 5935-01-470-0918
NSN 5975-01-661-0207
NSN 6650-00-066-4999
NSN 4140-00-277-6285
NSN 5985-01-186-7345
NSN 6105-01-287-9756
NSN 6145-00-440-3503
NSN 4140-00-196-7139