An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5945-01-290-6977
NSN 6685-00-027-7186
NSN 6645-01-267-1868
NSN 7035-01-223-4097
NSN 5920-01-246-3652
NSN 5855-01-609-9767
NSN 6105-01-043-4226
NSN 5998-01-108-3138
NSN 5975-01-328-6737
NSN 5905-01-032-8082
NSN 6135-01-322-4655
NSN 5920-01-270-0615