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 2925-01-470-5534
NSN 6220-00-243-2288
NSN 6320-01-204-2922
NSN 2925-00-008-5485
NSN 6145-01-473-4717
NSN 5998-00-960-0854
NSN 6645-01-282-1928
NSN 4140-01-460-0440
NSN 5855-01-554-8965
NSN 5996-01-498-1358
NSN 6145-00-727-6736
NSN 5996-00-253-9187