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 5985-01-382-9220
NSN 5999-01-020-7526
NSN 6150-00-400-5443
NSN 5895-01-051-3616
NSN 6620-00-967-9684
NSN 5990-01-244-9998
NSN 5996-01-275-3835
NSN 6150-00-226-8000
NSN 5905-01-025-7455
NSN 5895-00-489-8670
NSN 5998-00-563-1730
NSN 6105-01-192-6327