An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5950-01-364-9555
NSN 5945-01-208-4976
NSN 5930-01-380-5027
NSN 5996-01-353-0668
NSN 2925-00-180-2532
NSN 5910-01-426-1831
NSN 5920-01-627-7253
NSN 5975-01-589-5329
NSN 6105-01-381-1088
NSN 6320-01-516-3836
NSN 5965-01-291-0384
NSN 6240-01-254-7599