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 5915-01-272-8933
NSN 5915-01-233-7056
NSN 5895-01-501-6447
NSN 5925-00-111-1969
NSN 6130-01-432-2415
NSN 5920-00-890-0916
NSN 2925-00-115-5857
NSN 5930-01-086-0820
NSN 5985-01-538-6261
NSN 4140-01-234-6610
NSN 5920-00-734-5519
NSN 6240-01-549-1743