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 6150-01-137-5165
NSN 6145-00-235-7317
NSN 6110-00-660-8998
NSN 5895-00-153-2595
NSN 5930-01-160-1855
NSN 5950-01-467-8556
NSN 5855-00-110-9341
NSN 6105-00-617-1243
NSN 6685-01-423-8076
NSN 6620-01-468-6017
NSN 5945-01-371-2556
NSN 6645-01-233-1131