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 6145-01-552-0654
NSN 6650-00-390-3568
NSN 5998-01-258-0593
NSN 5945-00-164-0184
NSN 5965-01-150-1920
NSN 5905-00-067-6057
NSN 4140-01-628-4193
NSN 5835-00-051-9092
NSN 6220-00-960-5621
NSN 5915-01-206-5056
NSN 5960-01-091-2444
NSN 5999-01-249-1764