Restrictor Plate vs Beernut: specs compared
Updated 05 September 2026.
5
specs differ
Restrictor Plate and Beernut differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Restrictor Plate | Beernut |
|---|---|---|
| Designation | 5-hole restrictor plate | 7/8"-14 (1" hex) |
| Size / thread | internal disc, typically with five small holes, sized to the stout faucet body | 7/8"-14 straight thread, 1 inch hex across flats |
| Fitting form | internal flow-restricting disc | internally threaded hex coupling nut |
| Seals on | sits captive inside the stout faucet, not a threaded joint | compresses a rubber washer between the tailpiece and the shank end |
| Rating / role | the part that de-gasses nitro beer as it is forced through its small holes | the US beer industry standard nut that secures a tailpiece to the back of a shank |
Questions and answers
How do Restrictor Plate and Beernut compare?
Restrictor Plate and Beernut differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.