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 6320-01-220-2264
NSN 5975-01-608-5186
NSN 6240-01-656-4920
NSN 5945-00-412-4204
NSN 6320-01-495-1244
NSN 6135-01-581-8163
NSN 5945-01-597-4878
NSN 5925-00-580-0869
NSN 5999-01-503-4178
NSN 6650-01-463-8405
NSN 6135-00-660-8654
NSN 5998-01-272-7064