US Army Surplus Gentex HGU-56/P Small Helicopter Helmet #1
Used by the U S Army in  Blackhawk Helicoptor.
Helmet system offers modular engineering for Army or Air Force.
The helmet’s enhanced design features a multitude of options to improve aircrew personnel fit, functionality, mission adaptability and essential head safety and protection.
Comes complete with dual visors, liner, mic,chin strap, chin cup strap, earphones, plug in cord for coms, foam adjusters for ear phones
NVG mount included as per photo
Mic foam not included
Helmet is unused condition G+
Size is small 
May have some minor scuffs from being handled while warehoused