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 5915-01-048-9277
NSN 5960-01-546-2379
NSN 5950-01-380-1494
NSN 6650-01-604-6246
NSN 5960-00-174-1867
NSN 5945-00-038-7776
NSN 5985-00-952-1025
NSN 6610-01-071-4097
NSN 5998-00-420-1448
NSN 5985-01-457-6840
NSN 6685-00-816-8838
NSN 5945-00-403-8826