Martyr Aluminum Type D Prop-Nut Replacement Anode | PNAD

Martyr Aluminum Type D Prop-Nut Replacement Anode

Martyr PNAD is a Type D replacement sacrificial anode for a compatible propeller-nut assembly. Its aluminum alloy is intended for saltwater and brackish water.

• Martyr part reference: PNAD.
• Anode type: D.
• Manufacturer dimensions: 75 mm long 58 mm outside diameter.
• Replacement anode only, not a complete brass prop-nut assembly.
• Manufacturer includes the replacement fastening hardware.
• Anode material: Aluminum.

View product specifications.

Inspect the anode regularly and replace it when about half of the original material has been consumed. Keep anode contact surfaces clean and follow the equipment service instructions for installation.

Parts Desk Insight

Match the Type D anode to the retained nut and fastening arrangement, not just the shaft diameter. Inspect the brass nut before ordering: a sound nut may need only this sacrificial replacement, while a damaged nut requires the complete assembly.