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 6610-01-555-8364
NSN 5855-01-201-4857
NSN 5915-01-057-3812
NSN 5975-01-109-0511
NSN 6240-01-594-2102
NSN 5920-00-585-0104
NSN 6320-01-088-1109
NSN 5960-00-831-8683
NSN 6685-00-526-6582
NSN 5945-00-330-3332
NSN 5999-00-152-4009
NSN 5990-01-443-2931