An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5996-01-487-6249
NSN 5965-00-050-3590
NSN 5975-01-265-6900
NSN 5950-01-197-4765
NSN 5985-01-571-8515
NSN 6130-01-078-3802
NSN 5950-01-373-0461
NSN 5935-01-024-9452
NSN 6145-01-084-9284
NSN 5910-01-075-9632
NSN 6130-01-519-9337
NSN 7035-01-164-2136