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 5920-00-356-4641
NSN 6220-00-812-0515
NSN 5950-00-707-6107
NSN 4140-01-436-6811
NSN 6130-01-310-2906
NSN 5910-01-593-6150
NSN 6620-00-562-6337
NSN 5855-01-489-0278
NSN 5975-00-067-3368
NSN 6620-00-075-6667
NSN 6620-01-504-5756
NSN 5935-01-090-9113