Pilot Flight Helmet

P/N 520 / MS22001 Original U. S. Flight Helmet Oxygen Mask by Sierra Engineering

P/N 520 / MS22001 Original U. S. Flight Helmet Oxygen Mask by Sierra Engineering
P/N 520 / MS22001 Original U. S. Flight Helmet Oxygen Mask by Sierra Engineering
P/N 520 / MS22001 Original U. S. Flight Helmet Oxygen Mask by Sierra Engineering
P/N 520 / MS22001 Original U. S. Flight Helmet Oxygen Mask by Sierra Engineering

P/N 520 / MS22001 Original U. S. Flight Helmet Oxygen Mask by Sierra Engineering

P/N 520 / MS22001 Original U. Flight Helmet Oxygen Mask by Sierra Engineering Co. Attaching to a pilot helmet.

Supple and not cracked, split or torn. The mask Includes clips for attaching to a pilot helmet. Hose to Regulator metal Connector. P/n 4042001A made by ULMER AERONUTIQUE FRANCE.


P/N 520 / MS22001 Original U. S. Flight Helmet Oxygen Mask by Sierra Engineering