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Helicopter Impedance Converter/General Aviation (high) to Military (low)/U174/U plug/for use in military low impedance aircraft. Requires a 9 Volt battery (Not Included). PA-87H

Helicopter Impedance Converter/General Aviation (high) to Military (low)/U174/U plug/for use in military low impedance aircraft. Requires a 9 Volt battery (Not Included). PA-87H
Out of Stock - On Backorder
Helicopter Impedance Converter/General Aviation (high) to Military (low)/U174/U plug/for use in military low impedance aircraft. Requires a 9 Volt battery (Not Included). PA-87H
HELICOPTER IMPEDANCE CONVERTER/General Aviation (high) to Military (low)/U174/U plug/for use in military low impedance aircraft. Requires a 9 Volt battery (Not Included). PA-87H
HELICOPTER IMPEDANCE CONVERTER/General Aviation (high) to Military (low)/U174/U plug/for use in military low impedance aircraft. Requires a 9 Volt battery (Not Included).
Impedance Converter: High (General Aviation) Helicopter to Low (Military) Allows military low impedance headsets equipped with U174/U plug to be used in high impedance GA helicopter (Battery powered).

Product Codes

Mfr Part No:PA-87H
ECCN:EAR99
SCHEDULE B CODE:8544.49.0000


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  • Stock: Out of Stock - On Backorder
  • Manufacturer Part #: PA-87H
$106.70

Aircraft Fitment Finder

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.