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 5925-00-596-2146
NSN 5935-01-555-7828
NSN 5930-01-555-7912
NSN 6105-00-146-1568
NSN 6645-00-169-6759
NSN 5975-00-436-4997
NSN 6610-01-356-6949
NSN 5945-01-120-7588
NSN 4140-00-795-3747
NSN 5930-00-159-7467
NSN 5920-01-324-8493
NSN 5920-01-325-5680