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 5920-01-363-1426
NSN 5985-01-463-3128
NSN 5998-00-832-6748
NSN 6240-00-949-8347
NSN 5855-01-537-7059
NSN 6620-01-493-2312
NSN 6650-00-809-1817
NSN 6130-00-643-4894
NSN 6685-00-958-6496
NSN 5930-01-605-1515
NSN 5835-01-193-6192
NSN 6610-01-417-6336