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 2925-01-443-4216
NSN 6130-01-252-7984
NSN 5975-01-414-5326
NSN 5996-01-346-1099
NSN 6320-01-512-2031
NSN 6650-00-329-2444
NSN 5965-01-528-0739
NSN 6240-00-533-1493
NSN 5950-00-648-5349
NSN 4140-01-077-3981
NSN 2925-01-213-6622
NSN 6685-00-682-4664