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 5930-01-144-2157
NSN 6130-00-898-5754
NSN 5835-00-471-2660
NSN 5996-00-081-2564
NSN 6145-01-101-2063
NSN 6110-01-425-1449
NSN 5950-01-521-6729
NSN 2925-01-406-9844
NSN 5925-01-632-6732
NSN 6685-01-026-0111
NSN 5998-01-023-9819
NSN 5835-00-454-7239