The NRH 5501-52-1 is a professional vibration damping hasp latch, built with a built-in dual coil spring buffer structure. Made of iron with chrome plated finish, it weighs only 26g and provides 147N tensile holding force. Different from ordinary rigid latches, its symmetric dual-spring design effectively absorbs shock and vibration during transportation and operation, perfectly protecting sensitive and precision equipment inside enclosures.
Structure & Working Principle
This latch adopts a symmetric dual coil spring built-in damping structure. After closing, the springs remain pre-compressed to provide stable holding tension. When the enclosure is impacted or vibrated, the dual springs compress and rebound synchronously, absorbing and dissipating kinetic energy. It converts rigid shock into gentle buffer movement, reduces internal vibration transfer and noise, and avoids loosening or damage of precision parts.
Installation Specification
Comes with 3 x Ø3.5mm mounting through-holes and matched counterbores. Standard hole spacing enables flush and firm installation on various panels, ensuring the spring damping mechanism operates with optimal performance.
Ideal Applications
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Precision Instrument Cases: Suitable for oscilloscopes, spectrometers and calibration equipment boxes, preventing component loosening and accuracy deviation caused by transportation vibration.
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Audio & Stage Lighting Flight Cases: Effectively suppress resonance during transit, protect mixers, amplifiers and lighting controllers from connector fatigue and structural vibration.
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Industrial Control Cabinets: Installed on PLC cabinets, sensor junction boxes and machine tool accessory cases, isolating factory mechanical vibration and ensuring stable circuit connection.
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Photography & Drone Equipment Cases: Buffer bumps and jolts in field handling, providing reliable shock absorption for cameras, lenses, surveying instruments and drone devices.
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High-End Precision Toolboxes: Protect measuring tools and fragile parts, maintaining tool precision while realizing safe closed storage.
Summary
NRH 5501-52-1 integrates latching and damping into one unit. The unique dual-spring structure makes up for the defect of ordinary rigid latches, efficiently isolating vibration and impact. It is a cost-effective upgraded hardware choice for medium and high-end enclosures that require both reliable locking and precise equipment protection.