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 2925-00-707-6770
NSN 6135-01-391-8539
NSN 5935-00-261-8259
NSN 5910-01-498-9660
NSN 4140-00-383-5637
NSN 5985-01-411-3521
NSN 5996-01-458-8143
NSN 5925-01-170-4150
NSN 4140-00-526-4505
NSN 5999-01-412-4087
NSN 5935-01-291-5552
NSN 6685-01-591-4647