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 6620-00-546-6071
NSN 5975-01-010-2728
NSN 6220-01-411-9813
NSN 6150-01-385-3917
NSN 5998-01-149-9329
NSN 5945-00-927-7675
NSN 6645-00-620-9294
NSN 6685-00-454-7530
NSN 5990-00-478-6518
NSN 5985-01-060-4649
NSN 6650-00-826-7396
NSN 6685-00-724-8861