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 7035-00-455-7666
NSN 4140-01-141-4473
NSN 5895-01-135-4707
NSN 5965-00-139-1039
NSN 5855-01-570-3195
NSN 5910-01-033-8044
NSN 5835-01-180-9441
NSN 5910-00-546-1772
NSN 6645-01-411-5657
NSN 5999-01-266-0587
NSN 6320-01-470-6826
NSN 5935-00-597-3610