Id tapered 4.0 degrees
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 5895-00-816-9763
NSN 6105-00-839-8336
NSN 2925-01-043-9786
NSN 4140-01-474-6268
NSN 5998-01-321-6232
NSN 6145-01-350-3532
NSN 5930-00-626-8688
NSN 5950-00-372-5591
NSN 6650-00-101-0559
NSN 7035-01-611-6061
NSN 6110-01-583-5747
NSN 5835-01-185-1102