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 6320-00-779-5923
NSN 5960-01-419-9156
NSN 6130-01-086-5355
NSN 4140-01-058-6602
NSN 5999-01-010-3494
NSN 6105-00-186-9380
NSN 6150-01-171-1118
NSN 5895-00-912-4745
NSN 6110-00-377-9160
NSN 7035-01-085-5955
NSN 5999-01-439-7982
NSN 4140-01-595-0741