T-Type connectors, Female and pins search

Looking for part numbers and stock for these, Female-side only, and female pins for cable assemblies.

May be FASTIN-FASTON 250 connector, manufactured by TE Connectivity?
Digi-Key searches act as though these don’t exist.

There are perpendicular style housings from Fastin-Faston in link below.

Housings, Boots | Connectors, Interconnects | DigiKey

But I don’t see any with that locking latch like your photo shows.

Though perhaps not identical, this looks very close:

It would mate with this:

Thanks very much!