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 6645-01-325-4216
NSN 5915-00-244-7328
NSN 4140-00-111-3247
NSN 6110-00-466-1674
NSN 6110-01-314-1203
NSN 6105-00-925-0519
NSN 5996-01-222-1898
NSN 6130-00-955-9148
NSN 5895-01-519-9373
NSN 5915-00-240-7717
NSN 5855-01-188-4049
NSN 5895-01-653-1255