An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5905-01-512-4411
NSN 5935-01-252-3788
NSN 6145-01-072-1709
NSN 6650-01-014-5990
NSN 6650-01-301-2343
NSN 5855-01-474-3325
NSN 5985-01-578-7938
NSN 5895-01-567-1604
NSN 6320-01-195-5583
NSN 6650-00-075-4983
NSN 6145-01-377-5130
NSN 5835-01-158-6878