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 7035-01-419-4317
NSN 5895-01-215-0413
NSN 5996-01-394-3378
NSN 6110-01-011-0795
NSN 5915-00-221-2391
NSN 5998-00-003-0488
NSN 5920-01-438-8891
NSN 5950-00-489-5583
NSN 5975-01-633-9953
NSN 6150-00-434-0118
NSN 6620-00-905-6590
NSN 4140-01-007-0590