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 5935-01-500-7321
NSN 5930-01-343-2137
NSN 6220-01-558-4432
NSN 5965-01-449-1101
NSN 5915-01-536-5189
NSN 6110-01-423-6146
NSN 5835-01-359-2575
NSN 5920-01-218-5742
NSN 6320-01-622-5493
NSN 5960-01-539-1956
NSN 5998-00-753-7856
NSN 6240-01-633-9357