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 5935-00-070-9504
NSN 5915-01-132-9883
NSN 5925-01-634-0664
NSN 5998-01-204-2500
NSN 4140-01-229-8820
NSN 6320-01-578-6006
NSN 5960-01-366-3260
NSN 6685-01-094-7219
NSN 5920-01-513-8663
NSN 5998-00-964-9931
NSN 5935-00-051-4343
NSN 6150-01-415-5148