National Hardware N100-359 Ss Spring Snap 3-1/8 in 400 Lb 3-pack

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N100-359 is a 3-1/8 inch stainless steel interlocking spring snap rated for a 400-pound safe working load (SWL). Built from marine-grade stainless steel and coated with WeatherGuard Protection, this snap resists corrosion in harsh outdoor and marine environments. It is engineered for quick, repeated attachment and removal without tools, making it a reliable fastening solution for rigging, equipment tie-downs, and general-purpose connections across trade and field applications. Comes in a 3-pack sold as a single unit of measure.

This spring snap is suited for marine, industrial, and outdoor applications where a durable, corrosion-resistant quick-connect is required. The interlocking mechanism supports repeated engagement cycles without degradation. Typical uses include securing equipment, lines, cables, and accessories in environments exposed to moisture, salt air, or weather extremes. Always observe the 400-pound SWL limit as specified on the packaging.

Key Features

• 400-pound safe working load (SWL) heavy-duty rating
• Marine-grade stainless steel construction for corrosion resistance
• WeatherGuard Protection coating withstands harsh weather and moisture
• Interlocking spring mechanism designed for quick, repeated attach and release
• 3-1/8 inch overall size suitable for a wide range of attachment applications
• Includes limited lifetime warranty from National Hardware

Compatibility

Designed as a general-purpose spring snap compatible with a wide variety of lines, cables, straps, and equipment attachment points requiring a quick-connect fastener with marine-grade corrosion resistance.

Installation Notes

No special tools are required to attach or remove this spring snap. Before use, confirm that the load does not exceed the 400-pound SWL marked on the packaging. Inspect the snap mechanism for wear, deformation, or corrosion before each use, and retire the hardware if any damage is found. Always follow applicable safety standards and load-rating guidelines for the specific application.