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 5999-00-189-0772
NSN 5960-01-386-5770
NSN 5985-00-153-0864
NSN 5855-01-250-2421
NSN 5910-00-597-6510
NSN 6320-01-426-8947
NSN 6240-01-487-8757
NSN 6110-01-266-6752
NSN 5855-01-225-5855
NSN 5945-01-420-7776
NSN 5950-01-188-8524
NSN 5945-01-401-5323