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 6145-01-050-5435
NSN 6320-01-454-1965
NSN 5950-00-655-0658
NSN 5905-00-312-4512
NSN 6130-01-634-0603
NSN 5925-00-993-4603
NSN 6620-01-598-2271
NSN 5999-01-607-4605
NSN 5935-00-186-8025
NSN 5835-01-544-5183
NSN 5965-01-136-7970
NSN 6620-01-436-2715