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 aluminum nesoi
NSN 5920-01-613-2141
NSN 5915-00-054-6637
NSN 6130-01-615-8593
NSN 5835-01-132-5894
NSN 5960-01-552-0862
NSN 5905-00-635-7438
NSN 5990-01-463-2279
NSN 6645-01-460-4339
NSN 5915-01-516-9157
NSN 5905-01-307-9284
NSN 6685-01-338-0098
NSN 5985-00-516-2373