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David Clark Headset/M-7A Amplified Electret Mic/5' Straight Cord/Universal Flex Boom/Nrr 24dB 40074G-01

David Clark Headset/M-7A Amplified Electret Mic/5' Straight Cord/Universal Flex Boom/Nrr 24dB 40074G-01
Out of Stock - On Backorder
David Clark Headset/M-7A Amplified Electret Mic/5' Straight Cord/Universal Flex Boom/Nrr 24dB 40074G-01
DAVID CLARK HEADSET/M-7A AMPLIFIED ELECTRET MIC/5' STRAIGHT CORD/UNIVERSAL FLEX BOOM/NRR 24dB 40074G-01
Model H10-20 Passive NR Aviation Headset | 24dB

The H10-20 aviation headset offer maximum performance and reliability. It is designed with comfort in mind with features such as a super-soft head pad, adjustable headband, and comfortable gel ear seals. Adjustable flex boom assembly, M-7A microphone, and a 24 dB passive noise reduction contribute to excellent voice communications.
 

This H10-20 aviation headset (Alternate Part# H10-20) is for standard fixed-wing aircraft with a straight cord and dual plugs.


  • Super-soft head pad
  • Larger & lighter undercut comfortable gel ear seals
  • Adjustable flex boom assembly for perfect microphone placement
  • M-7A advanced noise cancelling microphone
  • Low-profile volume control knob with detent settings
  • Certified 24 dB noise reduction rating
  • Exceeds RTCA/DO-214 standards
  • FAA TSO C57b, TSO C58a approved

Product Codes

Mfr Part No:40074G-01
ECCN:5A991
SCHEDULE B CODE:8544490000
TSO:C57b, C139


Weight: 19 oz (562 g), without cableEar Coupling: around the earHardware Material: steelConnector Plugs: PJ-055 (0.25 in) earphone PJ-068 (0.206 in) mic plugConnection Cable: ~5 ft, straight (1.5 m)Dome Material: ABSEarphone Sensitivity: 90 dB SPL on flat plate coupler, re 1mW input @ 1kHzEarphone Principle: dynamicEarphone Frequency Response: 200 Hz— 5,500 HzMicrophone Principle: M-7A amplified electretMicrophone Sensitivity: 400 mV ±6 dB in to 150Ω load @ 1kHz for 114 dB SPL inputMicrophone Frequency Response: 300 Hz — 3.5 KHz per RTCA DO 214Mic DC Supply Voltage: 8V — 16V, not polarity sensitiveSource Resistance: 470Ω

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  • Stock: Out of Stock - On Backorder
  • Manufacturer Part #: 40074G-01
$398.77

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Returns & refund summary

  • 30-day return window — with prior return authorization, unopened in original packaging.
  • Restocking fee: 20% on unopened items, 30% on open-box items.
  • Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
  • Return shipping: paid by buyer.
  • Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.

Full terms: Return Policy.

Authenticity & authorization

All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.

See our full Manufacturer Authorizations page for the current per-brand status.

Need traceability paperwork?

If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.

Shipping

Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.