Sean Lidey I.A. (907) 267-9100. AV8@gci.net

Sean Lidey I.A. (907) 267-9100. AV8@gci.net

  • Home
  • AN Fitting
  • Vibration/Thermal Cycling
  • Locking Mechanism
  • Applications & Use Cases
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    • Home
    • AN Fitting
    • Vibration/Thermal Cycling
    • Locking Mechanism
    • Applications & Use Cases
  • Home
  • AN Fitting
  • Vibration/Thermal Cycling
  • Locking Mechanism
  • Applications & Use Cases

THE HIDDEN DANGER

VIBRATION IS A SILENT THREAT

Standard B-nuts can loosen under engine vibration and temperature cycling, leading to fuel, oil, hydraulic, and oxygen leaks. The consequences are catastrophic.

Bravolok Unit

THE ENGINEERED SOLUTION

Our patented design provides a constant-friction lock, ensuring critical fittings stay secure in the most demanding conditions

The Problem: Why B-Nuts Fail

Standard B-nuts are susceptible to loosening from two primary forces: harmonic vibration from engines and thermal cycling (expansion/contraction). This can lead to leaks in fuel, oil, and hydraulic lines—a leading cause of in-flight emergencies.


Vibration Loosening: Constant micro-movements can cause fittings to back off over time, often undetected during pre-flight checks.


Thermal Cycling: Extreme temperature shifts in flight cause metal to expand and contract, weakening the fitting's torque.


These failures are documented in numerous FAA & NTSB accident reports as a primary causal factor.

The Solution: How BravoLok Works

Bravolok is an elegant, patented solution. Its flexible band and integrated locking tooth create constant friction and a physical barrier, making it impossible for the B-nut to back off from vibration or thermal cycling.


Universal Fit: Adapts to various B-nut sizes.


Easy Installation: Slips on in seconds, no special tools required.


Lightweight & Durable: Made from aerospace-grade polymers.


Cost-Effective: A low-cost investment for invaluable safety.

Download OUR SPEC SHEET

Files coming soon.

Contact Us

BravoLok LLC

BravoLok multi-lock

SEAN LIDEY (907) 267-9100 AV8@GCI.NET

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Patent US 9,682,807  

Patent US 9,624,016


© 2025 BravoLok Safety Systems. All rights reserved. Patented Technology.

  • AN Fitting
  • Vibration/Thermal Cycling
  • Locking Mechanism
  • Applications & Use Cases

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