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 5930-01-103-6321
NSN 5935-01-550-6331
NSN 6320-01-250-0290
NSN 5950-00-853-3798
NSN 6610-01-461-1644
NSN 5985-01-239-6725
NSN 6610-01-200-6861
NSN 6320-01-538-0775
NSN 5960-00-229-5121
NSN 6130-00-852-6379
NSN 5835-00-198-4936
NSN 5998-01-353-3266