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 6220-01-049-2847
NSN 6130-01-508-5964
NSN 5990-01-176-2724
NSN 6150-00-231-9434
NSN 5925-00-332-0018
NSN 5935-01-046-3940
NSN 5996-01-052-8215
NSN 5960-01-518-4440
NSN 6145-01-226-3691
NSN 5960-00-781-4084
NSN 4140-01-056-4453
NSN 6110-00-935-5351