This is an Adapter for the 9316B ROM or Apple's 2316B ROM. It converts the Chip Select lines to make them compatible with the more common 2716 EPROMs.
This Adapter will allow you to use 2716 EPROMs in places where 9316B/2316B ROMs are used. You can also use this Adapter in your Chip Programmer to read from 9316B/2316B ROMs.
Total hight is .450" (11.43 millimeters). Socket is Machine Pin type.