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.
NSN 5998-01-521-1831
NSN 5998-01-174-0853
NSN 5945-00-133-3007
NSN 6135-01-631-0269
NSN 5975-01-278-2830
NSN 6645-01-591-3970
NSN 5990-00-818-7136
NSN 4140-01-432-0292
NSN 5996-00-661-1151
NSN 5930-00-235-3335
NSN 5960-01-449-1310
NSN 5975-01-448-2098