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 5835-01-357-9235
NSN 5930-01-173-0006
NSN 6610-01-177-5033
NSN 6105-00-518-2863
NSN 5945-00-222-7503
NSN 5925-01-605-4824
NSN 6110-01-382-9706
NSN 6320-01-453-5152
NSN 6650-01-229-6028
NSN 5975-01-150-6192
NSN 5925-01-454-8693
NSN 6645-00-003-5945