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 6645-00-255-1369
NSN 2925-00-263-2714
NSN 6220-00-274-8541
NSN 5915-00-644-5735
NSN 5990-01-581-5103
NSN 6130-00-306-0710
NSN 6320-00-994-0179
NSN 6130-00-736-1068
NSN 5985-00-655-7589
NSN 5945-01-087-0165
NSN 2925-00-594-1157
NSN 5996-01-065-0939