Sea & Sea Synch cord connector o ring dimensions

[sherco49]

Hi,
i am checking my camera gear, and i realize that the o rings of the Sea & Sea optical synch cords connector are torn.
Can someone give me their dimensions?
Thank you for you answers

 

[bvanant]

I have been using the ones from Backscatter, or Nauticam. By my measurements, it should be
cross section is 1.8 mm,
OD= 7.05 mm
ID 3.45 mm.

The important bit is the OD. The hole on my S&S strobes is just a bit under 7 mm diameter.
Bill