storm window latch replacement parts

A quick learner from USA says:
Attached photo of storm window latch. Storm windows installed by Sears years ago. Have some broken latches that I would like to replace. Like to order 2 right hand and 2 left hand latches with springs and other recommended parts needed to replace the latches. Please advise what part numbers to order. If additional info is needed please contact me
User submitted a photo of a screen latch.
Profile picture of Paul
Paul from SWISCO responded:
These latches look like our 91-063M and 91-064M. The spring with retainer looks like our 91-003. That should be all that goes with this hardware. To remove the latches, you will need a sharp pointed tool like and awl or Phillips screw driver to press in the retainer on the bottom of the sash, which will let you slide out the latch.
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