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 7035-01-462-7731
NSN 5910-00-221-7982
NSN 6110-01-069-4895
NSN 6620-01-168-8450
NSN 6110-01-472-1963
NSN 5835-00-501-2581
NSN 6135-01-202-8113
NSN 6620-00-827-1611
NSN 5930-01-151-0676
NSN 5930-00-951-6245
NSN 5920-00-806-9475
NSN 5975-01-059-2705