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 6150-01-050-9811
NSN 6130-01-382-8000
NSN 2925-01-219-9471
NSN 5998-01-427-3776
NSN 5920-01-556-7297
NSN 4140-01-616-9531
NSN 5920-01-486-4883
NSN 6110-00-148-5735
NSN 2925-00-734-9380
NSN 6220-01-658-1035
NSN 5960-00-966-9469
NSN 5975-01-287-5533