An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.
NSN 5960-01-215-0992
NSN 6110-00-916-4625
NSN 2925-01-301-1727
NSN 5915-01-613-1294
NSN 6650-00-896-9468
NSN 6145-00-201-1330
NSN 5960-01-303-8140
NSN 5935-01-159-3325
NSN 4140-01-282-6748
NSN 5925-00-955-0659
NSN 4140-00-189-0235
NSN 5935-01-437-6524