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 6620-01-430-4111
NSN 5999-00-163-4496
NSN 6610-01-564-9290
NSN 5945-01-275-7267
NSN 6650-01-021-1355
NSN 6110-00-263-6664
NSN 6240-01-279-7606
NSN 5985-00-835-3934
NSN 7035-01-599-0015
NSN 5935-00-087-5146
NSN 5905-01-463-8665
NSN 5905-00-577-7673