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 5920-01-006-9821
NSN 6620-00-339-0974
NSN 5999-01-461-3603
NSN 6135-01-441-7922
NSN 5985-01-363-3515
NSN 5920-00-420-3808
NSN 5905-00-003-0376
NSN 5905-01-363-6576
NSN 5835-01-519-3834
NSN 6220-01-382-0920
NSN 5950-01-067-4936
NSN