Rockwell hardness c 61-65
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 5960-00-835-3627
NSN 4140-01-198-5652
NSN 5895-01-400-4153
NSN 5855-01-003-7102
NSN 5996-01-562-2370
NSN 5915-01-499-7506
NSN 6650-01-050-8680
NSN 4140-00-179-0200
NSN 6110-01-394-5302
NSN 4140-00-103-2449
NSN 5915-01-432-2491
NSN 6220-00-136-9400