USGI Issue CVC Helmet Bag, NSN 8415-00-782-2989/8415007822989 CVC Helmet Bag. NSN 8415-00-782-2989 / 8415007822989 (Olive Green). Mil-Spec construction. Made in the USA. Designed to carry aviation helmets with radio and earphone attachments, the Flyer's Helmet Bag has become the standard for carry-on baggage by our troops. DOES NOT INCLUDE A HELMET. BAG ONLY.