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 6135-01-567-0739
NSN 5920-00-151-4039
NSN 5965-00-137-9291
NSN 5925-00-197-4329
NSN 6650-00-671-5106
NSN 5985-01-534-6500
NSN 5998-01-478-8476
NSN 4140-01-583-2106
NSN 5855-01-573-8397
NSN 6610-01-218-7668
NSN 6110-00-248-2942
NSN 5960-00-161-0723