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 5999-01-197-2597
NSN 6110-01-282-2329
NSN 6645-01-290-3930
NSN 5835-01-485-1408
NSN 5960-01-474-4843
NSN 6685-00-860-2183
NSN 5998-01-591-8137
NSN 6135-01-265-1384
NSN 4140-01-429-9060
NSN 6105-00-594-8642
NSN 5950-00-283-7391
NSN 5945-01-628-4893