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 5910-01-451-8053
NSN 5895-00-727-8708
NSN 5910-00-618-5455
NSN 6685-01-033-4648
NSN 6610-00-135-5815
NSN 6135-00-726-4142
NSN 5935-00-008-2035
NSN 4140-01-042-9066
NSN 5985-01-484-2176
NSN 5950-01-058-5265
NSN 5950-01-548-1393
NSN 6130-01-357-9165