An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5945-01-107-5843
NSN 5915-01-053-6529
NSN 5935-01-370-2349
NSN 5998-01-507-7027
NSN 6130-01-347-4506
NSN 6220-00-703-5200
NSN 5965-01-173-9106
NSN 5920-01-242-9208
NSN 5985-00-319-5826
NSN 5835-00-378-1429
NSN 5965-00-997-5764
NSN 5935-00-476-4656