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 5910-00-918-7554
NSN 5960-00-504-7640
NSN 6105-00-011-8083
NSN 5945-01-284-7337
NSN 5920-01-327-2574
NSN 2925-00-536-4574
NSN 6150-00-889-7326
NSN 5910-01-104-5004
NSN 6220-00-981-9184
NSN 5920-00-155-2173
NSN 5975-01-059-0972
NSN 6150-01-371-2446