An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5975-01-215-3473
NSN 5925-00-993-4603
NSN 5925-00-494-4685
NSN 5855-01-472-2554
NSN 4140-00-141-9801
NSN 2925-01-270-1124
NSN 5998-01-089-5040
NSN 6150-01-038-9364
NSN 5999-01-353-6427
NSN 6610-01-033-1748
NSN 5835-01-161-7461
NSN 2925-01-434-6945