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 5905-00-445-7759
NSN 6650-01-351-4544
NSN 5985-01-183-8218
NSN 5835-01-257-0154
NSN 5999-00-431-6808
NSN 5915-00-846-7632
NSN 6150-01-551-1266
NSN 6685-01-315-6568
NSN 5895-00-232-1314
NSN 6135-01-120-9812
NSN 6650-00-170-5095
NSN 6150-01-299-5227