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 7035-01-386-9551
NSN 4140-01-514-8203
NSN 5998-00-541-8792
NSN 4140-00-740-2153
NSN 5965-01-618-8346
NSN 6145-00-507-3314
NSN 5990-01-324-7529
NSN 5910-00-579-5740
NSN 5935-01-041-8029
NSN 6130-00-277-7321
NSN 5935-01-260-4104
NSN 5895-00-491-0461