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 5945-00-793-1952
NSN 5996-01-591-1049
NSN 5950-00-118-8232
NSN 5945-01-633-8232
NSN 6145-01-310-0731
NSN 7035-01-555-7070
NSN 5998-01-555-1566
NSN 5999-00-141-9441
NSN 6620-00-148-9613
NSN 5996-00-301-5243
NSN 5960-01-135-5639
NSN 5920-01-487-3152