FFL vs Faucetnut: specs compared
Updated 05 September 2026.
5
specs differ
FFL and Faucetnut differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | FFL | Faucetnut |
|---|---|---|
| Designation | 1/4" FFL (7/16"-20 UNF) | 7/8"-14 (faucet to shank) |
| Size / thread | 7/16"-20 UNF female thread, 45 degree flare seat | 7/8"-14 internal thread |
| Fitting form | SAE 45 degree flare, female | knurled coupling nut, front of shank |
| Seals on | mates against a male 45 degree flare face | metal to metal as the nut draws the faucet body onto the shank nose |
| Rating / role | the female half of the homebrew flare standard | the nut that locks a beer faucet onto the front of a shank |
Questions and answers
How do FFL and Faucetnut compare?
FFL and Faucetnut differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.