National Marker N221986 Hook Turnbuckle 3/16 X 5.5 Inch Zinc

Product Description

The NATIONAL MARKER N221986 is a 3/16 inch by 5-1/2 inch zinc-plated hook turnbuckle designed for tightening and drawing together lines, cables, and rigging assemblies. The extruded aluminum body features a hex profile that allows adjustment by hand or with a standard wrench, keeping installation straightforward in the field. Steel wire hooks on both ends provide secure attachment points. With a unit weight of 0.053 pounds, this turnbuckle is lightweight without sacrificing functional rigidity for light-duty tensioning tasks. It is sold individually and is a catalog model 2174BC.

This turnbuckle is suited for general rigging, cable tensioning, and line tightening applications across construction, maintenance, and trade service environments. Its compact size and zinc plating make it a practical choice for indoor and light outdoor use where corrosion resistance and easy manual adjustment are priorities. Minimum order quantity is 6 units, making it appropriate for stocking in service vans or supply rooms.

Key Features

• 3/16 inch by 5-1/2 inch sizing for light-duty cable and line tensioning
• Zinc-plated finish provides corrosion resistance for general service use
• Extruded aluminum hex body allows adjustment by hand or with a wrench
• Steel wire hooks on both ends for secure, flexible attachment
• Lightweight at 0.053 pounds per unit

Compatibility

Designed as an OEM-style replacement and general-use hook turnbuckle compatible with standard 3/16 inch rigging and cable tensioning applications.

Installation Notes

Turnbuckles of this type are installed by general contractors, maintenance technicians, and trade professionals handling rigging or cable runs. Before installation, ensure all attached lines or cables are slack and free of load. Adjust the body by rotating it manually or with an appropriately sized wrench on the hex body — avoid over-tightening beyond the rated capacity of the attached cable or line. Inspect hooks for proper seating and closure before applying tension.

Technical Specifications

• Body Size: 3/16 inch
• Length: 5-1/2 inches
• Body Material: Extruded Aluminum
• Hook Material: Steel Wire
• Finish: Zinc Plated
• Hook Configuration: Hook/Hook
• Weight: 0.053 pounds
• UPC: 00038613125360

Standard Information

• Brand: NATIONAL MARKER
• Manufacturer Part Number: N221986