A tube coupling nut with the shank end accommodating a smaller tube size than is accommodated by the tube fitting which connects to the threaded end.
Classification: Nuts of iron or steel
NSN 6135-01-056-4609
NSN 6650-01-515-0391
NSN 5965-01-187-4008
NSN 6650-00-295-3609
NSN 5996-00-713-4013
NSN 6685-00-419-0643
NSN 5910-00-942-9317
NSN 4140-00-248-6089
NSN 5895-01-352-5695
NSN 5920-01-338-1410
NSN 5998-00-198-7310
NSN 7035-01-510-4569