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 5975-01-347-8402
NSN 5855-01-273-0927
NSN 5920-01-260-3571
NSN 5999-01-056-5281
NSN 6685-01-033-0267
NSN 5930-01-603-8582
NSN 5945-01-104-4926
NSN 6685-01-350-1713
NSN 6110-01-537-2677
NSN 6135-00-145-8884
NSN 5930-00-334-7596
NSN 5935-01-180-3417