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 6150-00-197-8431
NSN 6645-01-598-3976
NSN 6320-01-383-9979
NSN 5935-01-478-2694
NSN 6145-01-353-8736
NSN 5960-01-089-7174
NSN 5998-01-176-4973
NSN 5855-01-492-4762
NSN 5925-00-261-8166
NSN 6130-01-186-7279
NSN 6145-01-474-5459
NSN 5960-00-760-7382