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 5996-01-361-5419
NSN 6240-01-502-4939
NSN 5925-01-541-5465
NSN 6320-01-301-4699
NSN 5965-01-231-5047
NSN 5965-00-079-0928
NSN 6610-01-293-9838
NSN 4140-00-755-6814
NSN 5996-01-413-0229
NSN 5895-01-065-5071
NSN 2925-01-629-9416
NSN 6220-01-368-6879