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 5910-00-959-3966
NSN 5855-00-925-0114
NSN 5855-01-444-4228
NSN 6145-01-042-2958
NSN 6220-01-515-7586
NSN 6610-01-232-4802
NSN 5835-00-892-3510
NSN 5920-01-605-1656
NSN 5985-01-464-4302
NSN 6320-01-449-1014
NSN 6610-01-168-7943
NSN 4140-01-355-8060