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 5920-01-571-7227
NSN 7035-00-299-7150
NSN 5999-01-026-6033
NSN 6240-00-548-3992
NSN 6220-01-647-1773
NSN 5925-00-467-6213
NSN 5920-01-381-1306
NSN 4140-01-060-6529
NSN 6150-01-432-1020
NSN 5996-00-608-9059
NSN 5895-01-203-8006
NSN 5925-01-468-4604