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 5930-00-945-9602
NSN 6220-00-681-2707
NSN 6145-00-598-9397
NSN 5930-01-047-9521
NSN 5935-00-290-7885
NSN 5925-01-282-3111
NSN 5930-00-752-4599
NSN 5960-01-434-5539
NSN 7035-01-210-5111
NSN 7035-01-122-1264
NSN 5945-01-377-5804
NSN 5975-01-580-3841