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 6130-01-352-4752
NSN 5920-01-210-2300
NSN 5965-01-394-1542
NSN 6650-01-419-0286
NSN 5975-00-934-8885
NSN 2925-01-400-2286
NSN 4140-00-412-2408
NSN 7035-01-391-9858
NSN 6685-00-209-4400
NSN 6145-01-481-1094
NSN 6620-00-351-9949
NSN 5935-01-411-6300