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Springfield Trac-Lock Swivel/Slide Non-Locking Mount f/2-7/8" Post - 1100521-L1
$144.99
$195.99
Unit price
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SKU:
98983
Manufacturer Part #: 1100521-L1
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Springfield Trac-Lock Swivel & Slide Non-Locking Mount for 2-7/8" Pedestals | MPN: 1100521-L1
Add smooth position adjustments and ergonomic comfort to your boat's helm or fishing seats with the Springfield Marine Trac-Lock Swivel/Slide Non-Locking Mount (Part Number: 1100521-L1). Engineered for high-vibration marine environments, this heavy-duty aluminum seat mount delivers seamless fore-and-aft slide adjustment along with continuous 360-degree seat swiveling.
Designed to fit standard 2-7/8" outer-diameter (OD) pedestal posts, the 1100521-L1 model provides 5-1/4 inches of slide travel, allowing captains and anglers to easily adjust their seating distance relative to the helm wheel, throttle controls, or fishing deck. Its non-locking swivel mechanism allows effortless rotation in any direction without sticking or forcing manual levers.
Key Features & Performance Advantages
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Smooth 360° Non-Locking Swivel: Allows full 360-degree continuous rotation for unobstructed visibility around the vessel.
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5-1/4" Fore-and-Aft Slide Travel: Glides smoothly forward and backward to dial in legroom and helm reach.
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Fits Standard 2-7/8" Posts: Precision-engineered to slide onto standard 2-7/8" fixed or gas-assisted pedestal posts.
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Heavy-Duty Cast Aluminum: Constructed from high-strength marine-grade aluminum alloy to resist saltwater corrosion, UV breakdown, and heavy structural load impacts.
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Ergonomic Control Levers: Features accessible adjustment handles for quick, one-handed slide control while seated.
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Universal Boat Seat Pattern: Accepts standard marine seat mounting hole configurations (5" x 5" and 5" x 12").
Technical Specifications
| Specification | Details |
| Manufacturer | Springfield Marine |
| Model / Part Number (MPN) | 1100521-L1 |
| Series | Trac-Lock II Series |
| Post Diameter Compatibility | 2-7/8" Outer Diameter (OD) Pedestals |
| Swivel Function | 360° Non-Locking Continuous Rotation |
| Slide Travel Distance | 5-1/4 Inches |
| Material | Marine-Grade Cast Aluminum |
| Finish | Anodized / Natural Aluminum |
| Mounting Pattern | Fits Standard 5" x 5" and 5" x 12" Seat Patterns |
| ABYC Safety Rating | Class AD (Approved for Helm / Driver Positions) |
What Is Included in the Box?
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(1) Springfield Trac-Lock Swivel & Slide Non-Locking Mount (MPN: 1100521-L1)
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(1) Pre-installed Slide Adjustment Control Handle
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Installation & Safety Placement Guide
Frequently Asked Questions (FAQ)
Q: What is the difference between a locking and non-locking swivel mount?
A: A non-locking swivel mount (like model 1100521-L1) allows 360-degree rotation without requiring you to pull a lever to unlock directional detents. It moves smoothly with moderate resistance to keep the seat stable while seated.
Q: Will this fit on a 2-3/8" pedestal post?
A: No, this mount is specifically sized for 2-7/8" pedestal posts. Sizing must match the outer diameter of your existing post for proper fitment.
Q: Can this mount be used at the driver's helm position?
A: Yes, Springfield Trac-Lock mounts meet ABYC safety standards for driver/helm positions when installed per manufacturer instructions.
*5-Year Limited Warranty
Manufacturer : Springfield Marine
Manufacturer Part No : 1100521-L1
Springfield Trac-Lock Swivel/Slide Non-Locking Mount f/2-7/8" Post - 1100521-L1 is backordered and will ship as soon as it is back in stock.
Springfield Trac-Lock Swivel/Slide Non-Locking Mount f/2-7/8" ...
$144.99
$195.99
Unit price
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Unavailable
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