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 5996-01-490-6640
NSN 5935-01-591-3408
NSN 6240-01-575-4089
NSN 5855-01-203-4719
NSN 2925-00-105-3907
NSN 5960-00-104-5955
NSN 5910-01-381-3009
NSN 4140-01-048-5472
NSN 5996-01-334-6471
NSN 5835-00-484-1529
NSN 5965-01-012-1065
NSN 6650-00-242-7961