Special Features:

Helmet assembly, flyers, hgu-55/plight weight; made of graphite fabric, carbon fiber yarns, and arimid fabric; same as 81d5330-6 except weight is 345grams (0.75 lbs) less than the 81d5330-6; assembled from the 81d5331-30 helmet shell subassembly, aviation/flight safety critical part

Properties:

A head covering consisting of an outer shell and a lining designed to provide warmth for flying personnel. It may be ballastic and/or crash protective and may be equipped with an electrical headset and microphone. It may provide chemical defense and nuclear weapon flash protection.