Hi Ian,
1.78mm x 14 EPDM 80shA which is a -015
Cheers,
Couv
We've figured out the o-ring size should be:ID 13.3 x 1.80mm is not a normal or standard in the USA. But first can I ask what type of instrumentation you are using for such precise measurement.
1.78mm x 14 EPDM 80shA which is a -015
EPDM is commonly used in aviation, and in the auto industry in the US. If you mean in SCUBA applications I know ScubaPro uses EPDM in many of their regulators.I should add using the EPDM compound is a French thing and only from the French.
Cheers,
Couv