Standard Furling Swivel — 3mm Luff Wire, Shackle
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Harken Standard Furling Swivel — 3mm Luff Wire, Shackle
The Harken Standard Furling Swivel (Part No. 1878) is an upper halyard swivel engineered for small boat furling applications. Designed to deliver consistent, reliable performance, this swivel incorporates multiple stacked races of Torlon® ball bearings that allow smooth rotation even when under load — a critical characteristic for efficient headsail handling and furling operations.
Compatible with Harken furling units 165, 477L, and 1134, this swivel is purpose-built for small boat rigs requiring a luff wire diameter of up to 3 mm (1/8 in). Its robust construction supports a maximum working load of 431 kg (950 lb), providing the strength and durability needed for demanding sailing conditions. The shackle attachment style and 6.4 mm (1/4 in) clevis pin diameter ensure secure and straightforward installation, while the compact 64 mm (2 1/2 in) pin-to-pin length keeps weight and windage to a minimum.
At just 77 g (2.7 oz), the swivel adds minimal weight aloft, an important consideration for performance-oriented small boat sailors. The use of Torlon® ball bearings — Torlon being a registered trademark of Solvay Advanced Polymers L.L.C. — ensures low friction and long service life, even in the harsh marine environment.
Key Features
- Multiple stacked races of Torlon® ball bearings for smooth rotation under load
- Compatible with Harken furling units 165, 477L, and 1134
- Maximum luff wire diameter: 3 mm (1/8 in)
- Maximum working load: 431 kg (950 lb)
- Clevis pin diameter: 6.4 mm (1/4 in)
- Pin-to-pin length: 64 mm (2 1/2 in)
- Lightweight at 77 g (2.7 oz)
- Shackle attachment style for easy installation
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