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 6150-00-957-6394
NSN 6135-01-481-5899
NSN 5910-01-202-7516
NSN 5925-00-802-1243
NSN 5945-00-959-3149
NSN 5990-01-462-1617
NSN 6610-01-437-2506
NSN 5999-00-617-2023
NSN 6645-00-303-7698
NSN 6145-00-466-4068
NSN 6145-01-161-1541
NSN 7035-00-782-7046