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 5935-01-632-1708
NSN 6150-01-023-8630
NSN 5915-01-021-5271
NSN 5945-00-437-3754
NSN 6240-01-425-1659
NSN 5945-01-188-1437
NSN 5920-01-577-6729
NSN 5975-00-028-0122
NSN 6130-01-203-8049
NSN 5910-00-733-4377
NSN 5996-00-186-8709
NSN 6130-00-840-1037