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 6650-01-588-4687
NSN 5998-01-561-9946
NSN 5950-00-177-8075
NSN 6135-00-307-6998
NSN 6240-01-095-5421
NSN 5855-01-301-0158
NSN 6240-01-276-9417
NSN 5895-01-657-2280
NSN 2925-00-896-3752
NSN 6145-01-270-3073
NSN 5835-01-493-1826
NSN 5960-01-243-0007