Gray anodize or blue oxide film
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 6130-01-362-9412
NSN 5975-01-132-8680
NSN 6150-01-234-3254
NSN 5998-00-516-1345
NSN 2925-01-199-7394
NSN 6620-01-546-4942
NSN 5855-00-832-9341
NSN 5925-00-382-7701
NSN 5920-01-003-8110
NSN 5965-00-004-6371
NSN 5998-01-093-7847
NSN 5950-01-424-0257