An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 7035-00-283-3112
NSN 5935-01-042-3772
NSN 5950-01-094-8561
NSN 6320-01-428-9205
NSN 5855-00-361-0167
NSN 6620-00-290-6505
NSN 5999-00-411-0826
NSN 5998-01-113-9728
NSN 6645-01-268-7265
NSN 5855-01-060-2820
NSN 5835-00-777-8333
NSN 5915-00-460-5713