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 6220-01-644-9050
NSN 5905-01-303-8138
NSN 6320-01-148-8125
NSN 6650-01-222-1749
NSN 5996-01-412-1396
NSN 5920-00-298-0700
NSN 6150-01-398-9850
NSN 5925-01-253-0066
NSN 6650-01-629-9480
NSN 5920-01-360-5681
NSN 5910-01-459-7759
NSN 6105-00-296-5116