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 5945-01-500-1904
NSN 5835-00-484-1529
NSN 6620-01-631-0700
NSN 5855-00-401-3442
NSN 5996-01-442-7481
NSN 5895-00-338-2279
NSN 6135-00-299-6918
NSN 5855-00-053-3142
NSN 6150-01-206-4243
NSN 6650-00-705-0269
NSN 5905-01-583-1179
NSN 5920-00-216-8665