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 5920-00-972-7203
NSN 5930-00-770-5138
NSN 5935-00-910-3492
NSN 5910-01-506-4924
NSN 5930-01-400-6126
NSN 2925-01-654-1164
NSN 4140-01-634-0330
NSN 5835-01-104-5707
NSN 5985-00-782-0423
NSN 5950-00-148-8306
NSN 5930-00-676-9376
NSN 7035-01-534-9388