ID
1360885
$ 254.92
1-2 weeks delivery time
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+
The Barton N15931 is a Size 5 triple swivel block with becket and cam cleat, featuring three 54 mm ball bearing sheaves for ropes up to 12 mm. Weighing 570 g, it delivers smooth low-friction performance with a safe working load of 750 kg and break load of 1500 kg, making it ideal for dynamic high-load multi-purchase systems with integrated line control and efficient trimming.
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Barton N15931 – Triple Swivel Block with Becket and Cam Size 5 54mm, Ball Bearing, 3x Ø54mm Sheaves, Max Rope 12mm
The Barton N15931 Triple Swivel Block with Becket and Cam is part of the heavy-duty Size 5 (54 mm) range, engineered for high-performance sailing applications. Featuring three ball bearing sheaves, this block ensures smooth, low-friction operation, ideal for dynamic systems requiring frequent adjustment and efficient load handling.
The swivel attachment allows full rotation under load, maintaining optimal alignment and reducing line twist. The integrated becket provides a secure rope termination point, while the built-in cam cleat system enables quick and reliable line locking. Constructed with marine-grade 316 stainless steel load components and reinforced moulded side plates, the unit is through-bolted and riveted for maximum durability and strength.
Key Features
- Triple sheave block with swivel, becket, and cam cleat
- Ball bearing system for smooth, low-friction performance
- Integrated cam cleat for secure and fast line locking
- Provides maximum mechanical advantage in multi-purchase systems
- Swivel head for full rotation and optimal alignment
- Becket for rope termination in control systems
- Heavy-duty construction with stainless steel internal frame
- Through-bolted and riveted side plates for superior strength
- Optimized for dynamic trimming and control systems
- Weight – 570 g
Technical Specifications
Part Number N15931 Block Type Triple Swivel + Becket + Cam Size Size 5 (54 mm) Sheave Diameter 3 × 54 mm x 17 mm (2 1/8" x 5/8") Bearing Type Ball Bearing Number of Sheaves Triple Max Rope Diameter 12 mm (7/16") Safe Working Load (SWL) 750 kg (1650 lbs) Break Load 1500 kg (3300 lbs) Max Rolling Load 525 kg (1157 lbs) Weight 570 g Dimensions 150 × 92 × 110 mm
Applications
- High mechanical advantage multi-purchase systems with cleating
- Mainsheet and traveller systems
- Downhaul and kicking strap systems
- Dynamic control and trimming setups
- Cruising and racing yachts
According to the Size 4/5 block range specification, these blocks are designed for yachts up to 10 m, offering robust construction, 316 stainless steel load components, and reliable performance under high loads. :contentReference[oaicite:0]{index=0}
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