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David Clark H6740-51 IS Headset Microphone – Behind-the-Head, Intrinsically Safe (40416G-51)
Overview
The David Clark H6740-51 IS Headset Microphone (40416G-51) is a rugged, behind-the-head headset designed for use in high-noise and hazardous environments. Featuring an Intrinsically Safe (IS) build, this headset ensures reliable and safe communication for professionals working in volatile or explosive atmospheres.
Key Features
Intrinsically Safe (IS): Rated for use in hazardous or explosive conditions.
Behind-the-Head (BTH) Design: Lightweight and helmet-compatible configuration.
High-Noise Clarity: Engineered to deliver clear, crisp voice transmission.
OEM Certified: Genuine David Clark manufacturing ensures long-lasting performance.
Drilled Dome Variant: Custom left-side drilled dome for specific headset models or mounting requirements.
Specifications
Part Number: 40416G-51
Model: H6740-51
Fit: Behind-the-head (BTH)
Certification: Intrinsically Safe
Design Note: Drilled dome on left-hand side
Brand: David Clark
Ideal For
Perfect for industrial crews, emergency responders, and aviation professionals operating in environments requiring IS-rated communication equipment.
Used 7 on heavily oxidized Airstream. Sanded off oxidation. Presto changeo, an almost mirror-like finish. Will stick with Nuvite. Important to follow instructional video.
This is an amazing aid to my fisning. Something serious inland fishermen should have. My only regret is that I didn't have this over the last 20 years.
