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 5920-01-254-2753
NSN 5996-01-072-7841
NSN 5950-01-010-1869
NSN 5998-01-281-7142
NSN 5990-01-395-4194
NSN 6105-01-234-0208
NSN 6650-01-356-8030
NSN 6645-01-154-9647
NSN 6135-01-096-1452
NSN 6150-01-420-1243
NSN 5915-00-170-6775
NSN 5990-01-462-1617