An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5998-00-530-7185
NSN 6130-00-928-6771
NSN 6150-01-425-1947
NSN 6240-01-461-5966
NSN 2925-01-341-9400
NSN 5990-00-840-6571
NSN 5895-01-167-1023
NSN 5985-01-473-6108
NSN 6610-00-133-7868
NSN 5935-00-725-8233
NSN 5935-00-008-8686
NSN 6685-01-046-9883