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Oxygen Mask Brackets

Name: Oxygen Mask Brackets | Emergency Oxygen Unit Holder - Frigate
Price: 249.00 USD
Availability: InStock

Oxygen mask brackets experience continuous vibratory loads during critical flight phases such as takeoff, turbulence, and landing. These conditions can lead to micro-fatigue and mechanical instability if not properly managed. To counter this, the brackets are designed with optimized fillet radii and structural ribbing that disperse stress uniformly, enhancing high-cycle fatigue resistance.

Material Specification

Aluminum 6061-T6 (AMS 4025), Titanium 3Al-2.5V (AMS 4945)

Mask Compatibility

Quick-Donning (MIL-M-23053), Full-Face (DOT FAA TSO-C89a), Pilot/Aircrew Variants

Mounting Points

4–8 Holes (NAS/MS Bolts), PCD 50–150mm, Snap-Fit for Composite Panels

Deployment Interface

Spring-Loaded Hinges, Breakaway Tether (50–100N), Electro-Mechanical Release

Retention Force

15–30N (Stowed), Vibration-Tested to 15g (DO-160)

Product Description

Finite Element Analysis (FEA) is used to validate the design under composite-mode vibration scenarios, ensuring the brackets maintain dimensional stability and positional accuracy. This guarantees reliable support for the mask assembly throughout the aircraft’s operational life.

Deployment Force

5–10N (Automatic), Manual Override (20–50N Pull Force)

Temperature Range

-65°F to +160°F (Standard), -100°F to +200°F (Extended)

FST Ratings

FAR 25.853 (Flame Spread ≤6″), Smoke Density ≤200 (ASTM E662), Toxicity: ABD0031

Dimensional Tolerances

Hole Position – ±0.1mm, Pivot Clearance – ±0.05mm, Mask Alignment – ±1°

Certification Standards

TSO-C89a, FAR 25.1447, ABD0031, AS9100, MIL-STD-810

Technical Advantages

Flight deck component density necessitates hardware with minimal spatial intrusion. The oxygen mask brackets is designed with a recessed mounting plane and reduced axial protrusion to ensure compatibility with confined avionics panel geometries. Customizable offset angles and adaptive profile contours accommodate variable dash layouts and sidewall integration without interfering with adjacent controls, ducts, or harnesses. All mounting interfaces are defined with planar flatness and bolt-hole position tolerances within ±0.025 mm to guarantee alignment with legacy mounting fixtures.

Moisture accumulation and cabin pressurization cycles introduce corrosive conditions that degrade bracket integrity over time. The material selection—typically 7075-T6 or 6061-T651 aluminum—is paired with Type II anodic coatings or chromate conversion treatment compliant with MIL-DTL-5541 standards. Salt fog, humidity, and SO2 exposure testing under ASTM B117 confirm corrosion resistance performance up to 1000 hours. Surface passivation also supports electrochemical stability when in contact with dissimilar materials such as stainless mask hardware or titanium oxygen lines.

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Industry Applications

Commercial Aircraft Cockpits

Supports pilot oxygen systems with vibration-resistant mounting, ensuring stable operation during decompression or emergency oxygen deployment events.

Military Fighter Jet Life Support Systems

Provides high-G rated retention of oxygen masks, maintaining positional stability under rapid maneuver-induced inertial loads and thermal cycling.

Rotary-Wing Aircraft Crew Stations

Secures masks near pilot and crew seating, accounting for rotor-induced vibrations and limited spatial clearance in compact cockpit environments.

Aerospace Ground Support Equipment (GSE)

Mounts portable oxygen delivery devices used for pre-flight or emergency use, ensuring rapid access during ground maintenance operations.

Flight Simulation and Training Modules

Integrates into mock cockpit structures to replicate mask deployment and stowage dynamics for pilot oxygen system training protocols.

High-Altitude Surveillance UAV Ground Stations

Supports remote oxygen systems for human-in-the-loop control stations operating at high elevation where supplemental oxygen is required.

Thermal Expansion Matching to Adjacent Systems

Differential expansion between bracket and interfacing oxygen systems can lead to mechanical stress accumulation, misalignment, or joint fatigue. Material pairings are selected to maintain low coefficient of thermal expansion (CTE) mismatch, generally within 2 ppm/°C of surrounding substrates.

Line maintenance and periodic inspections require fast and non-intrusive removal of oxygen assemblies. The bracket integrates captive fastener options and anti-rotation locking features to enable tool-free detachment where specified. Quick-release retention can be configured using quarter-turn Dzus fasteners or spring-loaded latch mechanisms designed to meet repeated cycle durability without loss of clamping force.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure dimensional stability of oxygen mask brackets across different aircraft models?

Frigate uses parametric CAD models to configure bracket geometry for each platform’s mounting architecture. Hole-to-hole distances and mounting angles are optimized per airframe layout using interference analysis. Tolerances are maintained through 5-axis CNC machining and verified via CMM inspection. This ensures seamless interchangeability across legacy and next-gen cockpits.

What surface treatments does Frigate apply to prevent bracket corrosion in moisture-prone cabins?

Frigate applies MIL-DTL-5541 Type II chromate conversion coating for corrosion resistance and electrical conductivity. The process includes pre-cleaning, immersion treatment, and post-sealing to ensure full surface coverage. Oxygen mask brackets are tested under ASTM B117 salt spray for up to 1000 hours. This ensures long-term stability in cyclic humidity and condensation environments.

How does Frigate address thermal mismatch between the bracket and surrounding cockpit materials?

Material selection is based on thermal expansion compatibility with cockpit substrates like composites or aluminum frames. Frigate uses 6061-T651 or equivalent alloys to maintain CTE within ±2 ppm/°C of mating surfaces. Thermal simulations confirm bracket stability under -55°C to +85°C cycles. This prevents stress buildup or mechanical separation under variable cabin conditions.

Can Frigate’s brackets be used in aircraft with high-G maneuver profiles like fighter jets?

Yes, Frigate designs brackets to withstand dynamic loading from abrupt accelerations typical in high-G environments. Stress paths are reinforced, and materials are selected with high yield strength and fatigue life. FEA models simulate multi-axis loading during roll, yaw, and pitch maneuvers. The result is a bracket capable of maintaining mask retention without deformation.

What validation methods does Frigate use to qualify oxygen mask brackets for flight use?

Frigate conducts structural, thermal, and vibration testing per RTCA DO-160 and MIL-STD-810 protocols. Each bracket undergoes non-destructive inspection, including dye penetrant and dimensional conformity checks. Test units are also exposed to pressure drop simulations for decompression resistance. All validation data is documented under AS9100-compliant quality management for traceability.

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