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 5915-01-523-3833
NSN 5996-01-326-0330
NSN 6685-01-406-7302
NSN 6320-01-134-7267
NSN 5990-00-554-0366
NSN 6145-01-559-4423
NSN 5999-00-262-0828
NSN 4140-00-900-6102
NSN 5910-00-284-4778
NSN 6650-01-500-2594
NSN 5925-00-299-2728
NSN 6130-01-263-9771