Rockwell hardness c 61-65
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 5855-01-147-6024
NSN 6685-01-283-8778
NSN 6620-01-168-8450
NSN 5985-01-437-7018
NSN 6220-01-539-5242
NSN 6685-01-395-2057
NSN 5910-01-134-7559
NSN 6135-00-635-9187
NSN 5965-01-272-3480
NSN 6110-01-337-8832
NSN 5960-00-831-6141
NSN 5895-01-426-8942