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 5960-01-318-0987
NSN 5998-00-484-6943
NSN 5835-00-660-4523
NSN 6220-01-359-1593
NSN 6135-00-635-9187
NSN 5990-01-034-0516
NSN 5895-00-099-9532
NSN 6320-00-459-8973
NSN 5950-01-512-9785
NSN 6320-01-578-6006
NSN 5835-01-481-4204
NSN 5835-01-349-5420