An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5945-01-090-6749
NSN 5910-00-147-7256
NSN 4140-00-413-0877
NSN 5985-01-349-7340
NSN 2925-01-107-7939
NSN 5998-00-694-0019
NSN 5895-01-462-6022
NSN 6105-00-357-1801
NSN 5935-01-585-7018
NSN 5996-01-104-4161
NSN 5985-01-447-1812
NSN 6145-00-195-8873