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 6650-01-315-1862
NSN 6130-01-256-7990
NSN 5996-01-435-5547
NSN 6650-01-422-1037
NSN 6130-01-041-6134
NSN 6145-01-055-8851
NSN 6220-01-547-5183
NSN 5998-01-361-2971
NSN 6650-01-506-5636
NSN 5996-01-563-1124
NSN 5930-01-398-0656
NSN 6135-00-932-3136