American Fittings Steel Conduit Locknut

American Fittings LN-NONUSA Steel Conduit Locknut

The American Fittings LN-NONUSA Steel Conduit Locknut is a steel fitting used to secure conduit connections at enclosure, panel, and box knockouts in commercial and industrial electrical systems. This locknut family is available in 2-1/2", 3", and 4" trade sizes, allowing electrical contractors to standardize on a single, dependable fitting style across larger conduit runs. Threaded to grip the conduit hub firmly against the knockout opening, it forms a solid mechanical connection that keeps raceway systems properly bonded and aligned. Whether used on new installations or renovation projects, this steel locknut is built to hold up under everyday jobsite conditions.

Key Features

• Trade Size Range: Offered in 2-1/2", 3", and 4" trade sizes to fit knockouts across a variety of conduit system layouts.
• Durable Steel Construction: Steel body provides the strength and rigidity required for demanding conduit terminations.
• Threaded Locknut Design: Threads onto the conduit hub and tightens against the knockout to lock the conduit securely in place.
• Consistent Fit: Machined threads help provide a snug, reliable connection at each of the available trade sizes.
• Simplified Standardization: Three trade sizes in one locknut style let crews carry fewer fitting variations on larger jobs.
• Professional-Grade Fitting: Suited to the demands of commercial and industrial raceway installations where a secure knockout connection is essential.

Technical Specifications

• Product Type: Fitting
• Trade Sizes Available: 2-1/2", 3", 4"
• Material: Steel

Typical Applications

• Conduit and Raceway Systems
• Panelboard, Enclosure, and Box Knockout Connections
• Commercial and Industrial Electrical Installations
• New Construction Wiring Projects
• Electrical System Renovations and Retrofits

Why American Fittings?

American Fittings builds its steel conduit locknuts for the everyday demands of professional electrical work, offering the strength and consistent thread engagement electricians rely on for secure knockout connections. With 2-1/2", 3", and 4" trade sizes available, this locknut family supports standardized, code-compliant conduit terminations across a range of commercial and industrial installations. Choose American Fittings for straightforward, dependable steel fittings that stand up to demanding jobsite conditions.