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 2925-01-175-1217
NSN 5945-01-634-0588
NSN 6685-01-081-7522
NSN 5905-00-065-2536
NSN 5915-00-032-9734
NSN 6135-01-420-5907
NSN 5835-01-632-6627
NSN 5835-01-510-1873
NSN 5935-01-469-7619
NSN 5975-00-693-5922
NSN 5985-00-344-2800
NSN 4140-01-648-6354