Cga320 vs Post Cornelius PIN: specs compared
Updated 05 September 2026.
5
specs differ
Cga320 and Post Cornelius PIN differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Cga320 | Post Cornelius PIN |
|---|---|---|
| Designation | 0.825"-14 NGO RH | 19/32"-18 UNF (both posts) |
| Size / thread | 0.825"-14 NGO (National Gas Outlet), right hand | 19/32"-18 UNF (about 15.1 mm major), gas and liquid the same |
| Fitting form | cylinder valve outlet nut, external | UNF male post thread |
| Seals on | nylon or fibre washer inside the nut against the valve outlet | poppet inside the post; post base O-ring seals to the keg lid |
| Rating / role | the North American CO2 cylinder connection, on refillable tanks up to about 1800 psi | Cornelius pin-lock corny kegs; the disconnect locates on pins, not the thread |
Questions and answers
How do Cga320 and Post Cornelius PIN compare?
Cga320 and Post Cornelius PIN differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.