Con 14 2nd stage port plug O ring size?

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for the vintage port plug, the one with the smaller than usual hex opening and the conical head?
 
As per title, anyone know the second stage side port O ring size? I'm thinking it's a 012 ? Cheers .

I'm assuming that you are referring to O-ring 65 on the schematic. It's a Parker size 3-905, EPDM 70 Duro.

Inlet O-ring 60 is a 014. EPDM with a recommended 80 Duro.
 

Attachments

Yes O´ring 014 works for Yoke/K valve
 
1/4 inch nylock nut for the poppet stem, part number 1025-10. And it is the same for SP 108s
 
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