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 5965-01-408-4190
NSN 6620-01-141-5747
NSN 5975-00-622-1958
NSN 2925-01-032-3814
NSN 5990-01-133-0351
NSN 5930-01-386-4006
NSN 5910-01-590-9416
NSN 5920-01-658-8794
NSN 4140-01-558-5806
NSN 5915-01-464-0491
NSN 5965-00-236-0016
NSN 5915-01-211-1948