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 5998-01-316-0341
NSN 5945-00-684-8160
NSN 6135-01-246-0308
NSN 6240-01-605-4455
NSN 5996-01-094-9754
NSN 5990-01-351-4621
NSN 5985-01-526-2228
NSN 4140-01-206-6457
NSN 5996-00-115-6458
NSN 2925-01-514-3865
NSN 5925-01-084-0058
NSN 5985-01-563-0766