5/16" barb (gas) (5/16" hose barb) vs Ball-lock gas disconnect (MFL: specs compared
Updated 05 September 2026.
5
specs differ
5/16" barb (gas) (5/16" hose barb) and Ball-lock gas disconnect (MFL differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | 5/16" barb (gas) (5/16" hose barb) | Ball-lock gas disconnect (MFL |
|---|---|---|
| Designation | 5/16" hose barb | grey QD, 1/4" MFL tail |
| Size / thread | 5/16" (7.94 mm) barb tail | snaps over the gas post; 1/4" MFL (7/16-20 UNF) tail, often with an integrated check valve |
| Fitting form | ribbed hose barb | snap-on gas quick disconnect |
| Seals on | barb ridges plus a worm clamp on the hose | O-ring over the post shoulder; flare face at the MFL tail |
| Rating / role | the standard gas-side barb on ball-lock and pin-lock disconnects | the gas-side ball-lock disconnect, keyed to the gas post and usually grey or white |
Questions and answers
How do 5/16" barb (gas) (5/16" hose barb) and Ball-lock gas disconnect (MFL compare?
5/16" barb (gas) (5/16" hose barb) and Ball-lock gas disconnect (MFL differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.