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 5925-01-464-4477
NSN 5999-01-199-7776
NSN 6645-01-288-3300
NSN 5835-00-725-2087
NSN 5950-01-389-6885
NSN 5965-00-913-9545
NSN 5990-01-437-4876
NSN 5835-01-012-1436
NSN 6610-01-503-8914
NSN 6620-01-247-1816
NSN 6320-01-067-0474
NSN 5998-01-033-1821