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 5910-01-253-4148
NSN 6650-01-096-6803
NSN 5965-01-132-4018
NSN 6135-00-299-6918
NSN 5835-00-523-0736
NSN 5895-00-844-2954
NSN 5910-01-614-1667
NSN 6135-00-196-5267
NSN 5945-00-131-0893
NSN 5930-01-595-2700
NSN 6610-01-520-5124
NSN 5950-01-004-2503