Nitrogen Purge Valve Fitting for Pnvg-18 Panoramic Night Vision Housing

Nitrogen Purge Valve Fitting for Pnvg-18 Panoramic Night Vision Housing. Threads into the purge port on the APNVG housing so you can evacuate and refill the optical cavity yourself. Original ARGUS part, the same as used on our own production line, inspected before shipment. Minimum order one piece, can be shipped together with devices and other spare parts.