An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5975-01-370-2461
NSN 6645-01-079-1262
NSN 5920-00-914-2707
NSN 5975-01-031-9615
NSN 5935-00-932-4577
NSN 5985-00-010-7754
NSN 5945-01-432-6788
NSN 5996-00-367-2388
NSN 6130-01-585-6284
NSN 5930-01-092-0744
NSN 5915-01-393-2708
NSN 5998-00-246-6895