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 6110-00-199-5451
NSN 6320-01-441-2438
NSN 6610-01-633-8931
NSN 5930-01-634-0659
NSN 6650-01-614-5281
NSN 6145-00-140-8226
NSN 5996-01-605-0950
NSN 5990-01-202-7003
NSN 5905-01-271-0536
NSN 6610-00-460-1419
NSN 5935-00-891-6160
NSN 5975-01-422-2904