Grass 499.217.00.0249, Left Hand Polyethylene Rear Mounting Sockets

I'm trying to find rear sockets for an old set of American Woodmark Potomac cabinets vintage mid to late 1980's sold at Lowe's from their in stock selection at that time. The slide rails are brown in color and appear to be painted or maybe even epoxy coated. The tip of the rear rail measures nearly one (1) inch tall by 3/8 inch wide. The rails are marked with a G. Any help you could provide suggesting a socket would be appreciated. I have contact American Woodmark and they no longer stock these and suggested at whole new rail set.

I have side mount Accuride slides on my kitchen cabinet drawers. The ht. of the inner slide is 7/8” tall. Looking for rear mounting sockets. House was built in 1997. Email address is wenjohn@sbcglobal.net. Thx.