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 5915-00-278-5561
NSN 6610-01-406-4985
NSN 5965-01-304-1718
NSN 5945-01-563-3443
NSN 6620-00-251-0569
NSN 5950-00-815-1739
NSN 5985-01-510-9962
NSN 6105-00-458-2987
NSN 5950-01-258-5819
NSN 5975-01-523-3433
NSN 5998-00-023-0653
NSN 5930-01-634-0659