Bsp38 vs 5/16" barb (gas) (5/16" hose barb): specs compared
Updated 05 September 2026.
5
specs differ
Bsp38 and 5/16" barb (gas) (5/16" hose barb) differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.
| Spec | Bsp38 | 5/16" barb (gas) (5/16" hose barb) |
|---|---|---|
| Designation | 3/8" BSP (G3/8) | 5/16" hose barb |
| Size / thread | 3/8" BSP (G3/8) parallel | 5/16" (7.94 mm) barb tail |
| Fitting form | parallel pipe thread | ribbed hose barb |
| Seals on | flat washer on the thread face | barb ridges plus a worm clamp on the hose |
| Rating / role | the smaller UK dispense thread on some shanks, John Guest stem adapters and inline taps | the standard gas-side barb on ball-lock and pin-lock disconnects |
Questions and answers
How do Bsp38 and 5/16" barb (gas) (5/16" hose barb) compare?
Bsp38 and 5/16" barb (gas) (5/16" hose barb) differ on 5 specs: designation, size / thread, fitting form, seals on, rating / role.