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 5915-00-597-0038
NSN 4140-00-769-5442
NSN 6645-01-068-3042
NSN 7035-00-978-7837
NSN 6135-00-315-1187
NSN 6320-01-462-3555
NSN 7035-01-633-9537
NSN 5998-01-519-5432
NSN 5915-01-516-2133
NSN 5950-01-114-3469
NSN 6110-01-290-4289
NSN 5905-00-071-7481