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 4140-01-282-5554
NSN 5945-01-143-2570
NSN 6685-01-268-3521
NSN 5985-00-908-9123
NSN 5999-01-418-1538
NSN 6320-01-478-9351
NSN 6150-01-440-7970
NSN 6130-00-505-1165
NSN 6220-01-142-3148
NSN 4140-00-806-9952
NSN 5915-01-108-1767
NSN 5930-00-473-0570