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 5999-01-444-7494
NSN 5945-00-770-2545
NSN 5895-00-891-4498
NSN 6240-01-465-9351
NSN 6645-01-215-9938
NSN 6685-01-039-0701
NSN 5965-00-921-8370
NSN 5925-01-170-7899
NSN 7035-00-890-7649
NSN 5935-00-265-0705
NSN 5920-01-458-9515
NSN 5999-01-576-9656