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 5895-01-142-1785
NSN 6240-00-660-8849
NSN 6620-01-448-1423
NSN 5935-01-361-3241
NSN 5998-01-633-1817
NSN 5945-01-634-0588
NSN 6320-01-521-1764
NSN 5960-01-299-4566
NSN 6105-00-089-2248
NSN 5965-01-357-2317
NSN 2925-01-593-2542
NSN 7035-00-215-3272