Window lock hook of latch

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Quick Learner

Oct 8, 2016 2:00 pm

Part number 40640 former manufactured by the window factory.

5 Replies

Home Owner from Horsham, PA 19044

Oct 8, 2016 8:44 pm

Number on the hook part of the lock that gets latched is 40640. From a Window Factory manufactured double pane vinyl window from late 1990's. Can't find the locks.

User submitted a photo of window hardware.

Tom from SWISCO

Oct 11, 2016 1:39 pm

Thank you for posting. We believe you may need product 90-237 keeper. Compare that to what you currently have and let us know if that is a good match for you.

Home Owner from Horsham, PA 19044

Oct 11, 2016 5:00 pm

Thank you the 90-237 keeper fits the keeper portion of the assembly, but now the lock will not attach smoothly. Could you now tell me what new lock part goes with the 90-237 keeper to allow for a smooth latching.

Dave Sr. from SWISCO

Oct 17, 2016 11:34 am

I believe the problem could be with the top sash. Yours could be be a little lower than it should be. One reason why this happens is because the sashes are too tight, so with age the top sash is sagging a little. My first thought is to raise the keeper, but you might not be able to. Could you possible file down the height of the catch "spoon" on the lock?