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 6150-00-429-4787
NSN 5996-01-268-1625
NSN 6150-01-033-6744
NSN 6645-00-200-2322
NSN 6685-01-464-4272
NSN 6610-01-156-0810
NSN 6320-00-636-0922
NSN 5925-00-152-9399
NSN 6650-01-016-0406
NSN 5920-00-753-5113
NSN 6150-00-628-5780
NSN 4140-01-027-1871