An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 6130-00-135-4919
NSN 5996-00-842-2023
NSN 6650-00-489-9194
NSN 6110-00-155-8055
NSN 6110-01-609-0548
NSN 5996-01-486-5412
NSN 5895-00-189-7021
NSN 6645-01-004-7768
NSN 5925-01-084-3165
NSN 7035-01-027-2259
NSN 5920-01-011-3377
NSN 6650-01-640-9370