AMERON of AMETEK MRO Receives FAA-PMA Approval for Oxygen Mask Overhaul Kit

AMERON, a global provider of aviation safety OEM and PMA products and third-party repair and overhaul services, recently achieved FAA-PMA approval on its Eros Mask Overhaul Kit, P/N M422B340.

The M422B340 kit is used for the overhaul of OEM Zodiac Aerospace’s MF20 Series Full Face Quick Donning Masks and is similar to the OEM P/N 422B340 in fit, form, and function.
“AMERON’s M422B340 kit will save customers money when compared to standard OEM pricing,” said Adam Brammer, divisional vice president and business manager of AMERON. “It is yet another major addition to AMERON’s constantly growing PMA parts line available for purchase on our online store.”

The M422B340 kit consists of 13 parts, which are eligible to be installed on Airbus A300, A310, A340, A380 and Boeing 727, 737, 747, 757, 767, DC-10, MD-10, MD-11 series of aircraft.

Part Number Description
M419628 Locking Block
M447883 Valve
M553008 Gasket
M553044 Seal
M555012 Valve
M555015 Diaphragm
M555016 Main Valve
M555070 Diaphragm
M555153 Combined Diaphragm
M559018 Filter
MR00220X160A20B6 O-ring
MR00490X190A5005 O-ring
MR03460X240A20B6 O-ring

AMERON recommends Zodiac Aerospace’s MF20 Series Full Face Quick Donning Masks be overhauled every six years utilizing the M422B340 overhaul kit.

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