No other part numbers with same form, fit, and function found.
A fitting with pipe threads having a female connection inside of a male connection, used in conjunction with another fitting, to connect in the same line, two pipes of different sizes.
NSN 6130-01-543-5278
NSN 6650-01-245-7642
NSN 6645-00-966-7794
NSN 6110-01-254-3485
NSN 5945-00-855-4670
NSN 6150-00-707-8804
NSN 6145-00-945-7467
NSN 5905-00-070-9542
NSN 5965-00-711-6419
NSN 5965-00-150-1144
NSN 4140-01-381-9173
NSN 2925-01-206-2250