Original U.S. Navy Vietnam War Era Type A3 Oxygen Breathing Apparatus Set in Transit Chest DVD with some small scratched areas

with some small scratched areas and overall wear

This is an ultra rare uniform patch insignia from World War One for the 2nd Infantry Division Headquarters Company

Both sling swivels are intact

there are still legible Remington patent markings on the receiver tang

Original U.S. Navy Vietnam War Era Type A3 Oxygen Breathing Apparatus Set in Transit Chest DVD with some small scratched areasOriginal Items: Only One Set Available. In 1953, the Type A 3 OBA began to replace the Type A 2 OBA. It was a closed circuit, self contained gadget. Oxygen generated by chemicals in a canister could be inhaled for around 60 minutes, the effective time limit of the oxygen supply, independent of the surrounding atmosphere. Head straps, a set of plastic eyepieces, a speaking diaphragm, and a rubber mouthpiece were all included with the Type A 3 OBA's