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 5920-01-633-2135
NSN 6145-00-925-2004
NSN 5965-01-453-7504
NSN 5945-01-099-3777
NSN 5855-01-634-0259
NSN 6620-01-316-7907
NSN 5996-01-062-0807
NSN 6645-01-076-4655
NSN 5945-01-102-5337
NSN 5999-01-228-5433
NSN 6130-00-684-6773
NSN 4140-01-495-6979