An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 7035-01-364-8454
NSN 6610-01-048-2870
NSN 6135-01-142-2417
NSN 5950-00-068-6841
NSN 5990-01-492-9887
NSN 5905-01-027-8042
NSN 5990-01-395-4194
NSN 5985-00-053-9945
NSN 6320-00-905-0543
NSN 6240-01-066-6522
NSN 5965-01-626-5775
NSN 6610-01-346-8241