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 6320-00-937-5625
NSN 4140-01-627-2540
NSN 6645-01-538-0425
NSN 5945-00-833-7745
NSN 5925-01-397-8520
NSN 6650-01-170-5440
NSN 5996-01-412-5548
NSN 5915-01-353-8645
NSN 5990-01-442-3520
NSN 2925-00-899-4261
NSN 6240-01-134-6987
NSN 6145-00-501-5066