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 5985-01-346-2339
NSN 5975-01-269-0283
NSN 5905-01-111-9559
NSN 6135-01-430-3119
NSN 6110-01-467-1077
NSN 6110-01-143-5909
NSN 6620-00-172-6127
NSN 6220-00-227-0528
NSN 6620-00-689-4456
NSN 5965-01-468-5583
NSN 7035-01-421-7159
NSN 4140-01-308-1075