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 5915-01-176-0455
NSN 6610-00-775-8304
NSN 6240-01-442-6770
NSN 5999-00-278-5563
NSN 5930-01-066-0897
NSN 5950-01-011-6170
NSN 6145-01-305-2679
NSN 5999-01-500-6323
NSN 5855-01-357-6877
NSN 6135-00-416-2898
NSN 6105-00-598-4910
NSN 5925-01-349-6780