An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5950-01-103-8909
NSN 5910-01-394-5013
NSN 5996-01-598-4219
NSN 7035-01-514-8522
NSN 6610-00-075-2156
NSN 5910-01-314-8099
NSN 5965-01-398-9579
NSN 6105-01-137-0669
NSN 5965-00-630-7872
NSN 5999-01-086-1581
NSN 5965-01-272-4199
NSN 6650-00-136-6003