30 degree taper on outside, 45 degree taper inside on opposite end
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 5960-01-553-4557
NSN 5996-01-415-3901
NSN 6645-01-076-4655
NSN 5965-01-374-1651
NSN 5998-00-825-2691
NSN 6240-01-303-1003
NSN 5960-01-543-0235
NSN 6105-01-584-6454
NSN 6620-00-448-4378
NSN 5935-01-284-1802
NSN 6135-00-276-7625
NSN 5915-00-233-6346