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 5930-01-441-1477
NSN 5985-01-519-3138
NSN 5998-00-478-9288
NSN 5985-01-540-8321
NSN 6320-00-242-3300
NSN 5855-00-987-1171
NSN 6145-00-868-4677
NSN 6110-01-149-5769
NSN 5998-00-827-0293
NSN 6110-00-116-5514
NSN 5975-01-170-4947
NSN 6610-00-056-5889