An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5990-01-568-5565
NSN 5998-00-709-0613
NSN 5925-01-406-3490
NSN 5990-01-242-9653
NSN 2925-01-218-0153
NSN 5925-00-246-4645
NSN 5999-01-495-0998
NSN 5935-01-433-2269
NSN 5895-01-575-1742
NSN 5945-01-406-4352
NSN 6620-01-502-9104
NSN 5945-01-194-3026