Clip spring for screen

A home owner from Henderson, NV says:
Screen mounts on outside of vertical slider window. Some screens are missing this clip spring and therefor do not stay in position. I do not know the name or brand of the windows, but they were originally installed in a new home in 1998 in Henderson, NV.
A home owner from Henderson, NV says:

Here is a photo of the clip spring that is removed from my screen. It appears very similar to your part # 70-047, but my spring seems to have "wings" on the ends. The spring is inserted into two slots on the inside edge of the screen. Do you think I could twist the ends of your spring so that they remain in place in my screen?

Thank you.

User submitted image of their window hardware.
Profile picture of Tom
Tom from SWISCO responded:

Hello. We believe you may need our 70-047B "rams head" style screen spring. Take a look and let us know if this is what you are looking for.

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