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 5990-00-934-3145
NSN 5945-00-542-1281
NSN 6150-00-636-8938
NSN 5895-01-386-7696
NSN 6135-01-033-3213
NSN 6320-00-925-0558
NSN 5910-01-138-7925
NSN 5985-01-103-8055
NSN 6145-01-496-0728
NSN 6320-00-857-4073
NSN 6105-00-947-2561
NSN 6645-01-487-7693