Post Cornelius PIN vs Din477 6: specs compared
Updated 05 September 2026.
5
specs differ
Post Cornelius PIN and Din477 6 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Post Cornelius PIN | Din477 6 |
|---|---|---|
| Designation | 19/32"-18 UNF (both posts) | W21.8 x 1/14" RH |
| Size / thread | 19/32"-18 UNF (about 15.1 mm major), gas and liquid the same | W21.8 x 1/14" (21.8 mm, 14 TPI) right hand, external |
| Fitting form | UNF male post thread | cylinder valve outlet nut, external |
| Seals on | poppet inside the post; post base O-ring seals to the keg lid | captive O-ring or washer in the nut against the valve outlet |
| Rating / role | Cornelius pin-lock corny kegs; the disconnect locates on pins, not the thread | the German DIN 477 designation for the European CO2 outlet, the same physical thread as W21.8 and BS 341 No.8 |
Questions and answers
How do Post Cornelius PIN and Din477 6 compare?
Post Cornelius PIN and Din477 6 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.