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 5945-01-212-7912
NSN 5915-01-443-8217
NSN 6320-01-029-2196
NSN 5985-01-474-8176
NSN 4140-01-438-2010
NSN 6610-01-395-2218
NSN 6135-00-248-4102
NSN 7035-01-461-4634
NSN 5985-01-512-2298
NSN 5950-00-069-7069
NSN 6610-00-331-3460
NSN 5985-01-298-9893