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 4140-01-434-6292
NSN 5935-01-326-5908
NSN 6650-01-068-3997
NSN 6150-01-256-4987
NSN 5930-01-446-6576
NSN 5835-01-174-4276
NSN 5930-00-636-8888
NSN 6645-01-579-2898
NSN 5920-00-296-7015
NSN 5975-00-981-2486
NSN 6650-00-614-1711
NSN 5895-00-247-7394