SUS304 Heavy Duty Spring Plunger with Stay-Open | 10mm x 147mm for Server Rack & Cabinet Maintenance

Name:Spring Pin Latch
Brand:NRH
Material:SUS304
Model:R7956-10-145
Size:10*145
Load:1000
Stock:1000
Origin:china
Price:1$

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Functional characteristics

stainless steel spring plunger, stay open plunger, server rack latch, maintenance latch, 10mm heavy duty plunger, hands free cabinet lock, mechanical detent latch, industrial door latch, SUS304 hardware, data center access

The NRH R7956-10-145 is a heavy-duty spring plunger crafted from SUS304 stainless steel, distinguished by its innovative mechanical stay-open function. Designed to solve the pain point of frequent door handling during IT and industrial maintenance, it enables safe, hands-free operation via a precision detent slot, significantly boosting efficiency and safety. The combination of a 10mm solid stainless rod and an extended 147mm travel ensures a secure hold on large, heavy cabinet doors. It is the ideal choice for professional environments like data centers and factory floors.

Primary Applications

Data Center & Server Room Maintenance: Securing doors on server racks, network cabinets, intelligent PDU enclosures during hardware swaps, upgrades, or cable management.
Industrial Automation & Equipment Service: Keeping PLC panels, drive cabinets, large machinery guard doors securely open for technicians requiring both hands for troubleshooting or repair.
Harsh & Special Environments: Enclosures in food & beverage processing, pharmaceutical cleanrooms, marine engine rooms where hygiene and corrosion resistance are critical.

How It Works (Efficient 3-Step Operation)

Unlock & Open: Pull the blue L-handle outward to retract the rod, disengage the lock, and open the door.
Stay-Open (Core Feature): For prolonged access, continue pulling the handle fully until it audibly clicks into the detent slot on the base. The plunger is now mechanically locked in the retracted position, and the door stays securely open, completely freeing the operator’s hands.
Close & Auto-Lock: Upon completion, manually disengage the rod from the detent slot. The high-force internal spring instantly triggers, automatically projecting the rod forward at high speed to engage the strike plate, achieving a one-motion close and positive lock.

Key Features & Benefits

Productive Stay-Open, Hands-Free Efficiency: The unique mechanical detent design enables true hands-free operation. Eliminates the need to prop doors open during maintenance, allowing single-person efficiency, reducing downtime, and enhancing safety.
Industrial-Grade Corrosion Resistance: Constructed from AISI 304 (SUS304) Stainless Steel, offering superior resistance to rust, chemicals, and moisture. Built to withstand wash-down environments, coastal atmospheres, and harsh industrial settings.
Exceptional Shear Strength & Load Capacity: The 10mm diameter solid stainless steel rod, paired with a high-load spring, provides far greater shear strength and locking force than standard plungers, engineered for heavy industrial doors.
Extended Reach for Broad Compatibility: With an overall length of 147mm, it accommodates deep cabinet frames, doors with substantial insulation, or applications with minor misalignment, offering greater versatility.
Ergonomic & Fail-Safe Design: The high-visibility blue L-handle ensures excellent grip and leverage. The all-mechanical, non-electric mechanism ensures ultra-low failure rates and long-term reliability.

Technical Specifications

Item	Specification
Model Number	R7956-10-145
Primary Material	SUS304 Stainless Steel (AISI 304)
Surface Finish	Vibratory Finished
Product Net Weight	205 g
Plunger Rod Diameter	10 mm
Overall Length (L)	147 mm
Mounting Hole Centers (C1)	45 mm
Mounting Hole Diameter	φ6.8 mm (Standard)
Body Width	73 mm
Operation	Manual / Spring Auto-Return
Operating Temp. Range	Standard Industrial
Compliance & Certs	ISO 9001:2008, SGS, REACH, SVHC, RoHS Compliant

Our Commitment

This product is engineered and manufactured by NRH Box Hardware. Since 1996, we have specialized in the R&D and production of industrial cabinet locks, hinges, and handles, with complete in-house capabilities from tooling and stamping to welding, finishing, and assembly. We believe reliability is in the details. Full OEM/ODM customization is supported. Contact us to develop a professional access solution for your equipment.

NRH, a professional enclosure hardware solution provider.

**NRH, established in 1996 as a pioneer in China's enclosure hardware industry, offers ODM/OEM services with a 10,000㎡ factory and a monthly production capacity of 1.5 million pieces.**

**NRH guarantees precision

**This image outlines NRH's 15-step production process, from CAD design and precision machining to quality inspection and final packaging.**

This image highlights NRH's quality commitment through material, salt spray, and plating tests conducted in its in-house laboratory.

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SUS304 Heavy Duty Spring Plunger with Stay-Open | 10mm x 147mm for Server Rack & Cabinet Maintenance

Functional characteristics

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