An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 7035-00-167-7411
NSN 6105-01-105-8332
NSN 6610-01-546-9693
NSN 5945-01-226-8505
NSN 5910-00-530-6094
NSN 6135-01-252-0315
NSN 7035-01-432-2424
NSN 5925-00-169-3385
NSN 5935-01-371-6213
NSN 5905-01-545-4218
NSN 5935-01-521-3662
NSN 6130-00-421-9028