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 5999-01-443-7965
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NSN 5935-01-485-5874
NSN 5998-01-058-4385
NSN 5985-01-584-6464
NSN 5925-01-528-4402
NSN 6150-00-911-7623
NSN 6240-00-928-7181
NSN 6685-01-393-4663
NSN 5895-00-333-8612
NSN 6645-00-862-2904
NSN 6145-01-441-8571