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 5920-00-471-2548
NSN 4140-00-934-8800
NSN 6105-00-189-0515
NSN 5965-01-005-0341
NSN 6130-00-058-8856
NSN 5935-00-364-7784
NSN 5960-01-372-3290
NSN 5910-01-299-1316
NSN 5895-00-111-1560
NSN 5915-01-496-2314
NSN 5855-01-007-9541
NSN 6150-00-686-5224