An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5920-00-765-2867
NSN 7035-01-497-8958
NSN 5998-01-517-5760
NSN 6240-01-191-5643
NSN 5998-00-339-1271
NSN 5935-00-871-0389
NSN 5998-01-600-0164
NSN 2925-00-295-8109
NSN 5965-01-394-1542
NSN 5930-01-467-5154
NSN 6105-01-265-8083
NSN 5950-01-289-6056