Hi,
I have 5 crestline sliding windows that were manufactured in 1996. I am looking for replacment keepers. The part number stamped on the back of the keepers is 9906 and one of the serial numbers off one of the windows is y20496Z27C3M. the approx depth of the keeper is 5/16 and the width is 3/8 the attached pictures show the length of the keeper.