Tm 10-3510-226-23p (fig. 15 item 18) cpvc pipes and fittings
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 5998-01-383-7915
NSN 6620-00-140-8644
NSN 6650-01-320-4284
NSN 2925-01-336-2820
NSN 5960-00-407-7705
NSN 5915-00-144-5548
NSN 6650-00-932-2048
NSN 6620-00-905-6590
NSN 6645-00-955-7997
NSN 5965-01-445-9403
NSN 6145-00-968-6603
NSN 5998-01-388-6379