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 7035-00-803-3056
NSN 6620-00-778-4062
NSN 5905-01-182-9293
NSN 5935-01-211-5763
NSN 5920-01-432-3991
NSN 6650-01-304-1739
NSN 5945-01-508-5735
NSN 5835-00-518-4507
NSN 5975-00-984-5793
NSN 5895-01-440-8722
NSN 6650-01-408-5089
NSN 6105-01-016-7707