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 6110-01-462-0770
NSN 4140-01-289-1264
NSN 5915-00-054-6637
NSN 6105-01-312-8419
NSN 6645-01-416-3749
NSN 6620-01-234-1799
NSN 5925-01-306-9601
NSN 5945-00-683-8334
NSN 5935-01-272-8207
NSN 6150-01-549-7790
NSN 6135-01-120-9812
NSN 6320-01-192-0332