so I finally figured out what works
I bought 2 50 packs of oring on ebay from a company called o-rings online.... size 9mmx1.5mm 70-buna orings fit the inner ring channel and AS568-013 standards fit the outer ring channel perfectly
I bought 2 50 packs of oring on ebay from a company called o-rings online.... size 9mmx1.5mm 70-buna orings fit the inner ring channel and AS568-013 standards fit the outer ring channel perfectly