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Product Description
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Manufacturer Part Number: 3431B
Black Nylon
Bolt Size: 3/16" x 5"
The Whitecap Marine Products Black Nylon Sliding Deck Hinge (examples include SKUs like 3431B, 3431BP, or similar variants in the 3430/3431/3424 series) is a durable, marine-grade hardware component designed specifically for boating applications. It is constructed from sturdy black nylon, which provides excellent resistance to corrosion, UV exposure, weathering, saltwater, and the harsh marine environment, while being lightweight and cost-effective compared to metal alternatives.
Physical Description
Key Functions and Features
Common Uses on Boats
This hardware is primarily part of bimini top (folding canopy) systems, boat covers, or dodger enclosures:
It's a simple, reliable, and affordable solution (often sold affordably in pairs) for boaters who want versatile shade or weather protection without complex hardware. If you're installing or replacing one, ensure the track matches the 0.850-inch specification for proper fit.
Black Nylon
Bolt Size: 3/16" x 5"
| Description | Deck Hinge/ Slide |
| Bolt Size | 3/16" x 5" |
| Track | 0.850 |
| Color | Black |
The Whitecap Marine Products Black Nylon Sliding Deck Hinge (examples include SKUs like 3431B, 3431BP, or similar variants in the 3430/3431/3424 series) is a durable, marine-grade hardware component designed specifically for boating applications. It is constructed from sturdy black nylon, which provides excellent resistance to corrosion, UV exposure, weathering, saltwater, and the harsh marine environment, while being lightweight and cost-effective compared to metal alternatives.
Physical Description
- Overall shape and design: The hinge features a compact, U-shaped or yoke-like top section (the "hinge" part) with a rounded pin or bolt hole at the top for pivoting/attachment. This is mounted on a rectangular base plate with an integrated sliding mechanism.
- Base/slide: The bottom is a flat, slotted nylon base (approximately 7/8" to 1" wide, with a low profile) that fits into and slides along a compatible deck-mounted track. The provided images show a track width of 0.850 inches (often listed as .850 or 0.85 track), with the base having a channel or groove that engages the track securely.
- Mounting: It uses a long bolt (specified as 3/16" diameter x 5" length) that passes through the hinge's top pivot point, allowing it to hinge or swivel while the base slides. The base has mounting holes (typically for #8 or #10 screws/fasteners) to secure the track to the deck if needed, though the hinge itself slides rather than being fixed rigidly.
- Color and material: Matte black nylon for low visibility and durability; variants exist in white or with combo slide-lock features.
- Size and compatibility: Compact (base roughly 1-2 inches long), designed for 0.850-inch track systems (some models support 1.050-inch tracks). Often sold in pairs or with point-of-sale packaging.
Key Functions and Features
- Sliding capability: The primary function is to allow the attached component (e.g., a bimini top frame, canvas cover support, or rail) to slide smoothly along a deck-mounted track for easy positioning, adjustment, or stowage.
- Hinging/pivoting: The top U-shaped section acts as a hinge point, enabling the attached pole, tube, or fitting to pivot upward/downward or angle as needed (often 90° or more depending on setup).
- Adjustability and quick setup: This combination of sliding + hinging allows for flexible, tool-free repositioning-ideal for seasonal use or varying conditions.
- Locking variants: Some related models (e.g., deck hinge/slide lock combos) include an integrated lock or set screw to fix the position, preventing unwanted movement.
- Durability: Nylon construction withstands marine conditions without rusting, with smooth operation even after prolonged exposure.
Common Uses on Boats
This hardware is primarily part of bimini top (folding canopy) systems, boat covers, or dodger enclosures:
- Bimini top deck hinges: Mounted on boat decks (gunwales, cabin tops, or foredecks), the track is installed first, and these sliding hinges attach to the ends of bimini frame tubes/poles. This lets you slide the bimini forward/backward for shade adjustment, fully deploy it, partially open it, or slide it completely out of the way for storage or unobstructed deck space.
- Adjustable canvas supports: Used with side-mount setups for boat tops, enclosures, or awnings where the support needs to slide along a track for tensioning, alignment, or quick removal.
- Marine top fittings: Commonly found in "top fittings" categories for bimini hardware, allowing easy seasonal installation/removal without permanent fixed mounts.
- Other applications: Occasionally used for light-duty sliding attachments like rod holders, small rails, or custom canvas setups where adjustability is key.
It's a simple, reliable, and affordable solution (often sold affordably in pairs) for boaters who want versatile shade or weather protection without complex hardware. If you're installing or replacing one, ensure the track matches the 0.850-inch specification for proper fit.
NOTE: The difference between packaged and not packaged items is that a packaged item has a card with either a plastic encasing (blister) or a polybag usually for displaying purposes.
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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