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 6685-01-492-6556
NSN 5965-00-529-0602
NSN 5855-01-057-2200
NSN 5996-00-917-2833
NSN 5996-01-104-7884
NSN 5905-00-128-0091
NSN 5910-00-200-1413
NSN 5999-00-730-1331
NSN 2925-01-633-4048
NSN 6645-00-935-7046
NSN 5910-00-066-2296
NSN 5895-00-672-9339