Rockwell hardness c 61-65
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 5935-00-043-0347
NSN 6105-01-309-9519
NSN 5895-01-414-6377
NSN 6650-01-227-9634
NSN 6135-01-282-4326
NSN 4140-00-423-6663
NSN 5975-00-583-8625
NSN 5996-01-315-4357
NSN 5910-00-250-3969
NSN 5975-01-399-1160
NSN 6220-01-141-6900
NSN 6620-00-736-8457