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 2925-01-387-0870
NSN 6650-01-552-5930
NSN 6110-01-444-0763
NSN 6240-00-228-8594
NSN 5905-01-429-0747
NSN
NSN 6610-01-208-8639
NSN 6620-00-897-7759
NSN 5895-00-051-5976
NSN 6110-00-791-3951
NSN 5855-00-494-9581
NSN 5975-00-423-7122