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 6645-01-422-1374
NSN 5999-00-851-4860
NSN 5925-01-462-6792
NSN 5855-00-323-0967
NSN 5945-01-442-7188
NSN 5855-01-323-5394
NSN 5960-00-892-3809
NSN 6130-01-534-7330
NSN 5835-01-249-4529
NSN 6105-01-383-0325
NSN 5925-01-589-2465
NSN 6130-00-767-4719