The NRH 7954-50L-1 is a robust and dependable spring pin latch, designed for straightforward, tool-free fastening of doors, lids, and access panels. As detailed in the provided specifications, it is constructed from durable SPCC steel and features a protective Blue Zinc Plating finish, offering good corrosion resistance for reliable performance. The latch comprises an L-shaped pull handle connected to a spring-loaded plunger pin, mounted on a solid base plate. Operation is intuitive: pull the handle to retract the pin and open; release it for automatic, spring-driven locking. Weighing 18g and built to last, it is a practical latching solution. Manufactured by NRH Box Hardware with a legacy of quality since 1996, this product is produced under a certified ISO 9001:2008 quality management system and complies with SGS, REACH, RoHS, and SVHC standards. OEM/ODM services are available for customized applications.
Primary Applications
This reliable latch is suitable for securing a variety of enclosures and access points:
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Toolboxes & Equipment Cases: Provides a secure closure for tool chests, instrument cases, and portable field kits.
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Industrial & Electrical Cabinets: Serves as a reliable door fastener for control panels, server racks, and modular enclosures.
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Machinery Guards & Access Panels: Functions as a quick-release mechanism for equipment doors and safety covers.
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Storage Units & Furniture: Offers simple and effective locking for cabinets, lockers, and storage compartments.
How It Works (Operating Principle)
The latch operates on a fundamental and reliable spring-loaded mechanism. An internal compression spring holds the plunger pin in its default extended (locked) position.
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To Unlock: Manually pull the L-shaped handle. This action compresses the internal spring, retracting the Ø4.5mm plunger pin and clearing the strike plate or receiving hole, allowing the door to open.
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To Lock: After closing the door, simply release the handle. The stored energy in the spring automatically and immediately drives the pin forward, engaging the strike point to securely lock the assembly with positive feedback.
Features & Specifications
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Simple Manual Operation: Features an easy pull-to-open, release-to-lock action, requiring no tools for use.
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Automatic Spring Return: Ensures secure and consistent locking every time the handle is released.
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Durable SPCC Construction: SPCC steel body provides good structural strength, enhanced by Blue Zinc Plating for corrosion protection.
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Compact & Functional Design: With an overall length of 74mm and a net weight of 18g, it is a space-efficient and lightweight component.
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Easy Installation: The base plate is designed with 2x Ø3.2mm mounting holes spaced 26.8mm apart (center-to-center) for straightforward and secure screw mounting.
Technical Specifications
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Item
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Specification
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Brand
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NRH Box Hardware
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Model Number
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7954-50L-1
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Product Name
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Spring Pin Latch
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Primary Material
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SPCC Steel
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Surface Finish
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Blue Zinc Plating
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Product Weight
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18g
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Operation Type
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Manual (Spring-Return)
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Key Dimensions
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Overall Length: 74mm, Plunger Pin Diameter: Ø4.5mm, Mounting Holes: 2 x Ø3.2mm, Material Thickness: 1.2mm.
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Compliance
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ISO 9001:2008, SGS, REACH, RoHS, SVHC
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Additional Info
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Manufacturer Since 1996. OEM/ODM Services Available.
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