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 5985-01-309-7651
NSN 4140-00-256-1471
NSN 5990-01-605-4769
NSN 6150-00-198-2503
NSN 6240-01-572-6003
NSN 6130-01-263-5724
NSN 6240-00-832-6867
NSN 5965-00-644-0334
NSN 5985-00-642-8911
NSN 6130-01-461-8928
NSN 4140-01-447-4826
NSN 6130-00-799-9383