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 6645-01-461-3725
NSN 5920-01-487-3152
NSN 6145-01-148-9793
NSN 5835-00-104-2511
NSN 5925-01-633-2302
NSN 4140-01-330-4137
NSN 5905-01-648-0776
NSN 6145-00-216-6613
NSN 5910-01-337-9658
NSN 6110-01-312-6901
NSN 6130-00-010-1042
NSN 5910-01-171-1499