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 2925-01-131-0473
NSN 5996-01-386-4230
NSN 6150-00-968-3700
NSN 6645-00-226-0657
NSN 6220-00-469-3292
NSN 5998-01-071-6466
NSN 5835-00-966-5481
NSN 5925-01-190-1211
NSN 6610-00-961-2758
NSN 5925-00-523-9158
NSN 5990-01-544-0364
NSN 2925-01-111-2927