A metallic item, cylindrical, with or without a flange at one end. It is designed to be inserted into a hole to reduce friction and/or the inside diameter of the hole, and protect the surrounding body structure from damage resulting from stress, strain and/or vibration. It must have a through hole parallel to its axis. It is designed for subsequent drilling operation. For items that are tapered see bushing (1), tapered. Excludes bushing, sleeve.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 4140-01-429-7510
NSN 5999-00-474-5394
NSN 5910-01-632-3638
NSN 6110-00-458-2083
NSN 6105-01-440-9860
NSN 5895-01-271-3944
NSN 6105-01-308-5282
NSN 5945-00-405-9345
NSN 6135-00-284-1406
NSN 5835-00-341-5441
NSN 6240-00-909-5473
NSN 6620-00-126-5072