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 6130-00-200-5531
NSN 5960-01-160-3437
NSN 5965-01-089-7218
NSN 6135-00-474-1397
NSN 5960-00-461-8505
NSN 5930-00-953-5395
NSN 5975-00-059-3646
NSN 6650-00-587-6917
NSN 6620-01-624-3933
NSN 4140-00-085-1355
NSN 5960-01-083-3936
NSN 5950-01-571-3896