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 5998-01-605-4628
NSN 5985-01-431-5813
NSN 5965-01-534-6396
NSN 5960-01-512-0233
NSN 6620-01-346-9340
NSN 5945-00-684-8160
NSN 5855-01-144-4837
NSN 5965-01-115-2716
NSN 6610-01-526-2054
NSN 5835-01-087-5611
NSN 5985-01-544-1215
NSN 6240-01-259-4265