Alenco replacement locks

I'm looking for 2 1/4" hole space, 3/8" hole to side of body, sliding window sash locks for a bunch of Alenco windows and the 90-005 looks like it would work except the tongue on the 90-005 has a taper only to about halfway up the tongue while mine are a straight incline from the base of the tongue straight back to the top of the tongue. I bought some at Lowe's that were an identical fit except the tongue was slightly different as well and there is no room on the windows to enlarge the receiver hole in the window frame.