FAA-PMA
PMA PQ0590NM. Approved as a replacement for S274T402-20 on Boeing 747-400 SERIES, 747-400F SERIES, 747-8 SERIES, 747-8F SERIES (Val Assy, Brake Metering) · Current, Dec 2016. · in stock here Salvex, 1 available, quote
The OEM number it replaces, and who sells those here
- S274T40220no listing here yet
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.