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 6150-01-125-9494
NSN 5960-01-386-5770
NSN 5990-01-425-2175
NSN 5930-01-645-2512
NSN 6620-01-062-4307
NSN 5905-01-632-0267
NSN 5835-01-383-1313
NSN 2925-00-470-5286
NSN 5990-00-104-4903
NSN 6220-01-499-9978
NSN 5996-01-015-8595
NSN 5975-01-330-0665