Description
Performance Metals 1-1/4" Aluminum Shaft Anode | Boat Supply Store
Safeguard your vessel's propulsion system against galvanic corrosion with this Performance Metals Navalloy® aluminum shaft anode engineered for 1-1/4" propeller shafts. Manufactured to rigorous MIL-DTL 24779 military specifications, this anode provides robust sacrificial protection across salt, brackish, and freshwater environments. Its patented 'red spot' wear indicator offers a clear visual cue for timely replacement, preventing costly damage to shaft and propeller components. The unit's streamlined design and dual-half construction with captured hardware ensure straightforward installation and maintenance for long-term operational integrity.
Key Features
- Military-Grade Protection: Manufactured to MIL-DTL 24779 standards for superior corrosion resistance.
- All-Water Suitability: Effectively protects against galvanic corrosion in salt, brackish, and freshwater.
- Visual Wear Indication: Patented 'red spot' wear indicator signals when replacement is necessary.
- Simplified Installation: Two-halves design with stainless steel hardware, pressed-in nuts, and retaining washers.
- Durable Construction: Crafted from Performance Metals' proprietary Navalloy® aluminum alloy.
- Optimized for 1-1/4" Shafts: Specifically sized for larger diameter propeller shafts.
- Corrosion Prevention: Sacrifices itself to protect more valuable underwater metal components.
- Convenient Maintenance: Easy to monitor and replace, minimizing downtime.
Specifications
| Product Specifications | |
|---|---|
| Brand | Performance Metals |
| MPN | C1250AA |
| Shaft Size | 1-1/4" (32mm) |
| Material | Navalloy® Aluminum |
| Military Specification | MIL-DTL 24779 |
| Water Type | Salt, Brackish, Fresh |
| Wear Indicator | 'red spot' |
| Design | Two-halves |
| Hardware | Stainless steel |
| Nut Type | Pressed-in |
| Washer Type | Plastic retaining |
| Dimensions (A) | 1-1/4" (32mm) |
| Dimensions (B) | 2-1/2" (64mm) |
| Dimensions (C) | 2-1/2" (64mm) |
Who This Is For
Boat owners with 1-1/4" propeller shafts requiring robust corrosion defense in any marine environment. This anode is ideal for those prioritizing long-term protection, ease of monitoring, and compliance with military-grade standards.
How It Compares
| Feature | Performance Metals 1-1/4" Aluminum Shaft Anode | Competitor |
|---|---|---|
| Material | Aluminum (Navalloy®) | Aluminum, Aluminum |
| Shaft Size | 1-1/4" | 1-1/4", 1-1/4" |
| Wear Indicator | Patented 'red spot' | None specified, None specified |
| Military Specification Compliance | MIL-DTL 24779 | Not specified, Not specified |
| Water Type Suitability | Salt, Brackish, Fresh | Not specified, Not specified |
| Assembly Hardware | Stainless steel, pressed-in nuts, plastic retaining washers | Not specified, Not specified |
Common Concerns Answered
What if I lose a piece of the specific hardware for this anode?
While the design minimizes hardware loss, replacement stainless steel hardware and retaining washers are available through specialized marine suppliers. However, the integrated nuts and secure fit aim to prevent detachment during operation.
Why is this anode priced higher than other generic options?
The elevated price reflects its adherence to stringent MIL-DTL 24779 military specifications, the use of proprietary Navalloy® aluminum, and the inclusion of a patented 'red spot' wear indicator, offering superior longevity and convenience.
What is the primary benefit of using a military specification anode?
Compliance with MIL-DTL 24779 signifies that the anode has undergone rigorous testing and meets demanding performance and durability standards, ensuring reliable protection for your vessel's critical underwater components in varied conditions.
Frequently Asked Questions
What type of water is this aluminum shaft anode suitable for?
This aluminum shaft anode is suitable for all water types, including salt, brackish, and fresh water environments.
What does the 'red spot' wear indicator signify?
The patented 'red spot' wear indicator is a visual cue that signifies the anode has reached its sacrificial capacity and requires replacement to maintain effective corrosion protection.
How is assembly made easy with this anode?
Assembly is simplified through its two-halves design, stainless steel hardware, pre-pressed nuts integrated into the casting, and plastic retaining washers which capture the bolts, making installation a straightforward process.
What are the dimensions of this large shaft anode?
The dimensions are: A - 1-1/4" (32mm), B - 2-1/2" (64mm), and C - 2-1/2" (64mm).
Is this anode designed for specific boat types or shaft sizes?
This anode is specifically designed for propeller shafts with a 1-1/4" diameter and is suitable for any boat operating in saltwater, brackish water, or freshwater conditions.
