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 6645-01-618-1983
NSN 5920-00-367-9073
NSN 5855-01-007-9541
NSN 5930-00-591-4875
NSN 5920-00-102-8713
NSN 5965-01-362-1608
NSN 6105-01-603-1497
NSN 5920-00-274-6929
NSN 5965-00-617-5731
NSN 5999-01-543-8515
NSN 6135-00-078-9931
NSN 6240-01-603-7856