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: Articles of aluminum nesoi
NSN 5965-01-444-1322
NSN 5915-00-840-4903
NSN 5920-01-177-2284
NSN 5925-01-604-7904
NSN 5905-01-302-4411
NSN 5999-01-037-3256
NSN 5999-00-246-2216
NSN 6105-01-191-9720
NSN 7035-01-654-2543
NSN 6645-01-150-9847
NSN 5945-00-682-4375
NSN 5996-01-421-4761