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 5925-01-303-6842
NSN 5985-01-028-6022
NSN 6135-00-368-5578
NSN 5975-01-463-9869
NSN 5985-01-281-6835
NSN 5920-01-266-8919
NSN 4140-00-517-7902
NSN 7035-01-372-0421
NSN 5950-01-204-4637
NSN 6320-01-296-3181
NSN 5835-00-823-6116
NSN 5985-01-523-6382