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 5945-00-731-1901
NSN 4140-01-658-0029
NSN 6150-00-468-5416
NSN 5935-01-153-2662
NSN 5935-01-485-3277
NSN 5835-00-364-0816
NSN 5950-01-597-3850
NSN 5990-01-153-0679
NSN 5998-00-553-2849
NSN 5925-01-558-8300
NSN 6650-00-869-5760
NSN 5990-00-428-1895