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 5915-01-555-7885
NSN 6320-00-242-3300
NSN 5930-00-283-4250
NSN 5965-00-809-3839
NSN 5945-01-634-0588
NSN 5835-01-632-6627
NSN 5930-01-357-5596
NSN 5920-01-143-5002
NSN 5945-01-291-9108
NSN 5965-01-087-0873
NSN 5930-00-902-7741
NSN 5935-00-937-5349