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 6220-00-149-0977
NSN 5835-00-794-7500
NSN 5925-01-415-0261
NSN 5990-01-030-5206
NSN 6105-01-100-1007
NSN 5920-00-120-9347
NSN 5950-00-855-0469
NSN 6620-01-200-8176
NSN 6610-01-357-1940
NSN 6320-01-260-7390
NSN 5998-01-609-7238
NSN 5975-01-067-3962