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 5965-01-354-8442
NSN 6110-00-397-7531
NSN 2925-01-424-0235
NSN 5960-01-257-0225
NSN 5960-01-290-6919
NSN 7035-00-300-3208
NSN 4140-00-007-5726
NSN 5920-01-499-7604
NSN 4140-01-143-5397
NSN 6135-01-579-3534
NSN 6650-01-513-2644
NSN 6320-01-299-6367