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 5895-01-614-9219
NSN 5920-01-401-5315
NSN 5925-01-536-9422
NSN 5945-01-583-8144
NSN 5999-01-407-4558
NSN 6320-01-443-3826
NSN 6685-00-284-1070
NSN 5930-00-473-2721
NSN 5835-01-261-2978
NSN 5965-01-415-2898
NSN 6145-01-239-9491
NSN 5998-01-151-9760