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 5920-01-309-5480
NSN 6130-01-611-0322
NSN 6320-00-809-5744
NSN 5945-01-651-5308
NSN 5990-01-411-5930
NSN 5920-00-171-2347
NSN 5999-01-075-7670
NSN 5965-01-415-9196
NSN 6320-01-415-0953
NSN 5975-00-358-7916
NSN 5998-01-450-6099
NSN 5998-01-394-6111