H3R Aviation Fire Extinguisher Bracket 3.5" OD FE Cylinder - NB350

The NB350 Extreme Duty Fire Extinguisher Bracket is a high-performance quick-release mounting system designed for use with 3.5" diameter fire extinguisher cylinders, including the H3R Aviation model 339TS. Built for rigorous environments, this bracket features fiberglass-reinforced nylon construction and corrosion-resistant hardware, offering durability, ease of access, and reliable retention. Although not certified for use on type-certified aircraft, it’s an excellent choice for experimental aircraft, marine, and terrestrial applications where speed and ruggedness matter most.

Key Features

• Fits fire extinguishers with 3.5" diameter cylinders, including H3R model 339TS
• Quick-release design ensures rapid fire extinguisher deployment in emergencies
• Constructed from fiberglass-reinforced nylon for superior strength and lightweight handling
• Corrosion-resistant hardware enhances durability in marine and high-humidity environments
• Meets MIL-STD-810G and tested to endure inertia loads exceeding 27G in all directions
• Prevents accidental disengagement to maintain secure mounting under extreme conditions
• “Pull to Release” flag improves visibility and ease of use during critical moments
• Weighs only 14 oz. and does not obstruct the extinguisher nameplate

The NB350 is a trusted extreme-duty bracket for those operating in experimental aviation, boating, and rugged ground vehicle environments who demand both quick access and uncompromising bracket strength.