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 5910-01-058-2255
NSN 6135-01-278-9717
NSN 5925-01-168-3943
NSN 6220-01-191-7643
NSN 5855-01-643-1485
NSN 6620-01-085-8688
NSN 5950-00-036-8178
NSN 5910-00-833-9292
NSN 6650-01-615-0788
NSN 5930-00-518-0872
NSN 7035-01-320-7453
NSN 5996-01-202-8605