ID
1360757
$ 244.16
1-2 weeks delivery time
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The Barton N05931 is a Size 5 triple swivel block with becket and cam cleat, featuring three 54 mm plain bearing sheaves for ropes up to 12 mm. Weighing 606 g, it is optimized for high static loads with a safe working load of 750 kg and break load of 1500 kg, making it ideal for heavy-duty multi-purchase systems with integrated line control and secure cleating.
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Barton N05931 – Triple Swivel Block with Becket and Cam Size 5 54mm, Plain Bearing, 3x Ø54mm Sheaves, Max Rope 12mm
The Barton N05931 Triple Swivel Block with Becket and Cam is part of the heavy-duty Size 5 (54 mm) range, engineered for strength and reliability in demanding marine environments. Featuring three plain bearing sheaves, this block is optimized for high static load applications and delivers increased mechanical advantage in complex rigging systems.
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.
Key Features
- Triple sheave block with swivel, becket, and cam cleat
- Plain bearing system optimized for high-load applications
- Integrated cam cleat for secure and fast line locking
- Provides increased 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
- Weight – 606 g
Technical Specifications
Part Number N05931 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 Plain 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) Weight 606 g Dimensions 150 × 92 × 110 mm
Applications
- High mechanical advantage multi-purchase systems with cleating
- Mainsheet and traveller systems
- Downhaul and kicking strap systems
- Heavy-duty control line 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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