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 6650-00-862-7143
NSN 5945-01-146-5464
NSN 5930-01-149-4864
NSN 5835-01-152-9483
NSN 4140-01-447-3716
NSN 5999-00-153-7903
NSN 5920-01-320-0472
NSN 6110-01-313-9030
NSN 5975-00-153-7971
NSN 5975-01-471-4296
NSN 5925-00-434-2038
NSN 6130-01-595-3550