FAA-PMA
PMA PQ2204NM. Approved as a replacement for 405016A on Gulfstream Aerospace LP Gulfstream 200 (Galaxy) (High Power Low Noise Device) · Current, Jun 2019. · in stock here Leading Edge Group, LLC, quote
The OEM number it replaces, and who sells those here
1 FAA-PMA replacement part on file for 405016A1 in stock here
- 405016AWulfsberg Electronics Division· Gulfstream Aerospace LP Gulfstream 200 (Galaxy)· High Power Low Noise Device· Current, Jun 2019· in stock here Leading Edge Group, LLC, quote
A PMA part is approved for the specific eligibility listed on its FAA record; whether it may be installed on a particular aircraft, engine or component is the installer's determination. This page states the FAA record and the listings on PartsAndPlanes.