Tailpiece vs Cga580: specs compared
Updated 05 September 2026.
5
specs differ
Tailpiece and Cga580 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Tailpiece | Cga580 |
|---|---|---|
| Designation | 7/8"-14 nut, 1/4" or 3/16" barb | 0.965"-14 NGO RH |
| Size / thread | 7/8"-14 shoulder held by a beer nut; 1/4" or 3/16" hose barb | 0.965"-14 NGO (National Gas Outlet), right hand, external |
| Fitting form | barbed nipple with a shouldered nut seat | cylinder valve outlet nut, external |
| Seals on | flat washer against the shank end under the beer nut; barb under a worm clamp on the hose | nylon or fibre washer inside the nut against the valve outlet |
| Rating / role | the piece that turns a shank thread into a hose barb for vinyl beer line | the North American connection for nitrogen, argon and beer-gas (N2/CO2 mix) cylinders, up to 3000 psig |
Questions and answers
How do Tailpiece and Cga580 compare?
Tailpiece and Cga580 differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.