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 5925-01-435-5869
NSN 5950-01-464-9011
NSN 5855-01-351-2541
NSN 6320-01-415-0953
NSN 5965-01-330-6807
NSN 6105-00-564-2773
NSN 6685-00-981-2113
NSN 5895-00-456-0830
NSN 6320-01-116-3980
NSN 7035-01-339-5480
NSN 6320-00-284-1524
NSN 6685-00-244-0019