An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5935-01-472-8845
NSN 5950-01-485-3518
NSN 5905-00-958-7609
NSN 6150-01-627-5058
NSN 5925-01-548-9668
NSN 6130-01-378-6778
NSN 5935-00-116-8695
NSN 5965-01-475-3024
NSN 5930-00-636-8888
NSN 6685-00-140-5237
NSN 6130-01-407-2487
NSN 5945-01-279-1011