OBSOLETE - No Longer In Stock.
By Pass Stem Shaft ( old PN 165N27 ) with 2 orings ( 102N ).
Can be used to repair internal function of the older by pass used on Autotrol 163 and 168 type valves.
Not to confused with the shorter stem shaft used in the By Pass valves of the Autotrol 155 and 255 valves.
Shaft stems are no longer available for the shorter version.