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 4140-00-752-9858
NSN 5950-00-068-6515
NSN 5920-01-142-5750
NSN 6130-01-425-1459
NSN 6685-01-414-3596
NSN 5920-00-474-6125
NSN 5960-00-266-6741
NSN 6145-01-094-6822
NSN 5945-01-648-2231
NSN 4140-01-398-1954
NSN 6620-00-504-9040
NSN 5965-00-167-1255