An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 7035-01-350-4247
NSN 6135-01-068-0119
NSN 5965-01-182-3384
NSN 6145-01-522-6674
NSN 6240-00-617-1818
NSN 6110-01-442-6665
NSN 6150-01-627-6581
NSN 6610-01-417-3011
NSN 6130-01-568-7983
NSN 5960-01-505-2426
NSN 5990-01-517-7848
NSN 6685-01-337-4227