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 5990-00-405-5182
NSN 5985-01-097-5511
NSN 5960-01-199-6953
NSN 5920-00-362-1376
NSN 6130-00-919-1549
NSN 4140-00-131-6486
NSN 6320-01-072-2073
NSN 4140-01-469-5768
NSN 6610-00-722-7472
NSN 5965-00-439-6287
NSN 5835-00-198-4936
NSN 4140-01-432-0292