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 plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5990-01-282-4617
NSN 6150-01-304-1576
NSN 5945-00-272-8958
NSN 6105-01-462-6111
NSN 5895-00-819-1273
NSN 6110-01-312-3629
NSN 5855-01-432-0524
NSN 5910-01-630-3492
NSN 6685-01-605-3617
NSN 5998-00-104-8286
NSN 5935-00-958-8042
NSN 6220-00-181-9698