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 5930-01-603-1681
NSN 5975-01-272-7940
NSN 5996-00-730-3971
NSN 4140-01-436-1878
NSN 4140-01-231-5031
NSN 5998-01-224-2090
NSN 5960-01-512-0233
NSN 5915-00-530-5067
NSN 6220-00-431-9844
NSN 6110-00-598-2574
NSN 6220-01-335-0201
NSN 6320-00-450-7014