Inside screen door latch

A home owner from USA says:
I'm attempting to replace the inside latch for our screen door as the internal spring has failed.

The current set has no markings. The outside latch is a functioning twisting knob that can open the latch using a square central pin. The holes are 1 3/4" apart.

Please help! can't find anything locally.
User submitted photos of a storm door handle.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
How about our 40-150? Could this be a possible match? Check it out and see what you think.
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