Has twelve grooves on each side
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.
Classification: Other articles of iron or steel not wire nesoi
NSN 5925-01-651-3059
NSN 5920-01-076-4705
NSN 5915-00-823-8334
NSN 5930-01-370-4452
NSN 5925-00-529-0441
NSN 5910-01-605-1469
NSN 5950-01-493-6515
NSN 5965-01-442-0490
NSN 6320-00-433-2773
NSN 2925-01-254-3068
NSN 5990-01-554-8547
NSN 5950-00-390-7859