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 5930-01-534-5904
NSN 4140-00-957-5285
NSN 5855-01-078-4180
NSN 4140-01-435-6540
NSN 6220-01-194-2963
NSN 5985-01-277-1645
NSN 6145-00-603-2608
NSN 6320-01-233-5798
NSN 6150-01-396-0110
NSN 5990-01-211-6136
NSN 5835-01-502-9228
NSN 6650-01-161-9097