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 5835-01-459-7428
NSN 5999-01-476-5478
NSN 5920-01-605-0214
NSN 5910-01-067-9787
NSN 6320-01-113-7647
NSN 5915-01-470-6566
NSN 2925-01-054-3190
NSN 5915-00-387-2333
NSN 6620-00-583-2687
NSN 6145-01-362-7284
NSN 6320-00-894-1644
NSN 6620-01-487-0605