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 6105-00-782-0721
NSN 5999-01-231-0636
NSN 5855-01-439-1838
NSN 2925-01-593-1700
NSN 5915-00-597-0038
NSN 6320-00-306-0124
NSN 6130-01-632-3780
NSN 5990-00-982-6442
NSN 5960-01-577-5682
NSN 6110-01-174-8413
NSN 7035-01-182-1086
NSN 5835-01-424-4577