8F-CC Injector Cap with oring ( old 6F ), new part number is 1032975.Was used in older Autotrol 155, 160, 163, 168, and Technetic 1000 Valves.
Very old versions were white and pointed.
* Obsolete part.
Substituting the 8F-BB.
This is the same cap and the “tip” of the “BB” cap can be snipped off for use as “C” cap.