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 4140-00-523-0410
NSN 5999-01-192-3975
NSN 5965-01-227-4517
NSN 5915-01-224-1938
NSN 5945-01-471-8074
NSN 5935-00-188-8945
NSN 6620-00-214-3949
NSN 5965-01-644-1485
NSN 5910-01-230-7066
NSN 5920-01-321-9402
NSN 5920-00-913-0331
NSN 2925-00-233-5644