Martyr Magnesium Type B Propeller Nut Anode Assembly – CMPNBMC11
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Martyr Magnesium Type B Propeller Nut Anode Assembly – CMPNBMC11
Description
Description
Magnesium Type B Propeller Nut Anode Assembly, manufacturer part number CMPNBMC11. This magnesium sacrificial anode is intended for freshwater only.
Match the propeller or thruster application, mounting arrangement and any listed thread or nut type.
Specifications and selection
| Manufacturer part number | CMPNBMC11 |
|---|---|
| Anode alloy | Magnesium |
| Water type | Freshwater only |
| Propeller nut type | B |
| Dimension SHAFT | 22 mm |
| Dimension L | 56 mm |
| Dimension OD | 41 mm |
| Dimension SHAFT | 0.87 in |
| Dimension L | 2.2 in |
| Dimension OD | 1.65 in |
| Propeller nut thread | 5/8-11 UNC |
| Manufacturer fastener specification | 1/4-20 x 1/2 |
Dimension letters follow the manufacturer's drawing. Compare the mounting arrangement and measurements with the part being replaced.
Choosing the correct anode
Freshwater only. Follow the equipment manufacturer's requirements for anode material and application. A shared engine brand or similar appearance alone does not establish compatibility.
View Martyr's product specifications and drawing. Browse Martyr anodes and kits.
Fastener specifications identify the manufacturer's mounting requirement and do not, by themselves, confirm that loose hardware is included.
Inspection and replacement
Inspect regularly and replace when approximately half of the anode has been consumed. Keep the anode unpainted and ensure clean, secure electrical contact with the protected metal. Follow the equipment manufacturer's installation instructions.
Martyr anode care and material guide
Compare propeller & thruster anodes or browse all Martyr anodes.
