The Yale 7000 Cylinder Dogging Sub Assembly is used on non Fire Rated Yale and Corbin Russwin panic devices. Like the Hex Key Sub Assembly, this one is for use with a Key Cylinder.
Yale Part # 60-7000-0407-999 Corbin Russwin Part # 650F968
This latch assembly is used on non fire rated doors, meaning panic devices that you can not dog open with the allen key or key cylinder. Non fire rated doors are usually exterior doors.
Yale Part # 60-7000-0419-048
Note the position of the Hub for this Assembly is the 7100
This Yale Latch Assembly is used on fire rated panic devices. A fire rated panic is a device were you can not lock the latch in the open position. It is used on doors were the engineers want the door to latch every time it closes to contain a fire.