An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5945-01-396-8118
NSN 5930-01-174-2335
NSN 6220-01-058-3457
NSN 6135-01-199-1185
NSN 2925-00-620-7757
NSN 6685-01-482-1328
NSN 5965-01-569-3332
NSN 5895-01-498-5236
NSN 5998-00-595-5952
NSN 6150-01-634-0575
NSN 5895-00-242-9959
NSN 6110-01-431-6906