Main
Main Machine Screw M4 x 10mm Black S/256/31
Black M4 x 10mm machine screw, part number S/256/31, from Main, for listed Fireflame, Masquerade, and Potterton appliances.
At a glance
AvailabilityCall for price
Availability: no longer made. Call us and we'll check for stock.
No longer made: call us
The manufacturer has discontinued this part. Our team will check for remaining stock or a suitable replacement.
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Unused, in original packaging.
What it is
The Main M4 x 10mm Machine Screw (black), part number S/256/31, is a bolt, nut and screw item supplied by Main. It is listed for use with the Main Fireflame BF, Main Masquerade, and Potterton Economic Seafire and Inset 364 LFE/LIFE appliances.
Before you order
- Check the GC number on the appliance data badge against the GC numbers listed above (32-477-79, 32-477-78, 32-477-99, 32-230-30, 32-590-11, 32-590-09).
- For Masquerade Model 504, this part applies from serial number 119999999. Confirm your appliance serial number falls within this range before ordering.
Compliance
| GC number | 402-191 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN FIREFLAME BF - MODEL 940 | 32-477-79 | 32-477-79 | — | — |
| MAIN MASQUERADE - MODEL 504 - FROM SERIAL No 119999999 | 32-477-78 | 32-477-78 | — | — |
| MAIN MASQUERADE - MODEL 514 - LPG | 32-477-99 | 32-477-99 | — | — |
| MAIN STRATTON | 32-467-10 | 32-467-10 | — | — |
| POTTERTON ECONOMIC HALLMARK | 32-230-32 | 32-230-32 | — | — |
| POTTERTON ECONOMIC HEATMASTER | 32-230-28 | 32-230-28 | — | — |
| POTTERTON ECONOMIC SEAFIRE 3 | 32-230-30 | 32-230-30 | — | — |
| POTTERTON ECONOMIC TE GOLD | 32-230-36 | 32-230-36 | — | — |
| POTTERTON INSET 364 LFE WITH PRESENCE FACIA | 32-590-11 | 32-590-11 | — | — |
| POTTERTON INSET 364 LIFE WITH ILLUSION FACIA | 32-590-09 | 32-590-09 | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.