A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).
Classification: Articles of aluminum nesoi
NSN 6150-00-155-8511
NSN 6320-01-652-3806
NSN 6150-01-379-7272
NSN 5965-00-226-0209
NSN 5998-01-445-3105
NSN 6650-01-529-6416
NSN 5855-00-149-0766
NSN 4140-01-253-3288
NSN 4140-01-050-8096
NSN 5895-01-455-2011
NSN 2925-01-615-2379
NSN 5895-01-501-6447