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 6220-01-447-4854
NSN 6145-01-551-1419
NSN 6220-00-018-4484
NSN 5996-01-492-1695
NSN 6645-01-083-4759
NSN 6145-00-174-9344
NSN 5998-01-443-3433
NSN 4140-01-222-1506
NSN 6135-01-364-0667
NSN 5985-00-188-9665
NSN 5965-01-092-2698
NSN 5915-01-151-3057