Stainless part of hinge slide is 13" long w 4 screw holes. Markings include #40987 and words " pry to remove sash. Slide arm has #31858 and is 7 3/8" long.
Crank operator has # 31876 Truth on bottom of an arm. The hole to insert crank into window frame is 4 7/8" long. Your assist is much appreciated.