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 5910-00-285-6400
NSN 5945-00-683-2914
NSN 5925-01-619-3730
NSN 6620-00-679-5830
NSN 6610-01-604-7335
NSN 4140-00-493-9675
NSN 5990-01-331-7071
NSN 4140-00-739-2033
NSN 6150-01-287-3622
NSN 5998-00-707-5781
NSN 5920-01-364-1335
NSN 5935-01-360-4950