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 5920-00-553-7118
NSN 5905-00-043-2065
NSN 6320-01-279-0343
NSN 6620-01-274-3423
NSN 6135-01-512-8740
NSN 5965-01-229-0786
NSN 5999-01-079-0157
NSN 5996-01-124-0781
NSN 4140-00-900-6102
NSN 5925-00-660-7589
NSN 4140-01-174-4390
NSN 5965-01-278-8218