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 5915-01-609-6955
NSN 5925-01-521-3173
NSN 5925-01-431-8886
NSN 5985-01-104-5287
NSN 5965-00-067-0290
NSN 5905-01-597-5405
NSN 6240-01-561-2248
NSN 6620-01-115-2926
NSN 6145-01-560-7698
NSN 5905-01-270-2112
NSN 5950-00-997-2202
NSN 5990-00-147-3144