An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 6110-01-509-2125
NSN 5950-01-244-6846
NSN 6110-01-039-8607
NSN 5996-00-722-4944
NSN 5998-00-360-1738
NSN 6135-01-654-5108
NSN 5935-01-087-4262
NSN 5905-00-952-2145
NSN 5915-01-210-9132
NSN 6220-00-583-9889
NSN 5965-01-241-9865
NSN 5945-00-935-6922