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 6130-01-333-2332
NSN 5996-01-313-7963
NSN 5925-00-071-2619
NSN 5985-01-279-5933
NSN 6645-01-236-3494
NSN 5910-01-462-2440
NSN 6145-01-383-6144
NSN 6145-01-456-8069
NSN 6620-01-543-3866
NSN 7035-01-449-6108
NSN 5965-00-173-4440
NSN 5925-01-097-4925