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 5905-00-347-0314
NSN 5960-00-211-2105
NSN 5930-00-018-8187
NSN 6150-00-233-6356
NSN 6610-00-134-5625
NSN 5930-01-463-2768
NSN 6130-01-597-9489
NSN 6685-01-215-7629
NSN 5996-00-084-1790
NSN 6220-01-582-0908
NSN 4140-01-471-5606
NSN 5999-00-177-1791