The mouthpiece is black
A cushionlike device that is contour-fitted around the teeth. It is specifically designed to fit between the teeth and the breathing apparatus mouthpiece to provide a controlled supply of breathing gas such as air, oxygen, mixture, and the like, during dive and/or rescue.
NSN 5985-00-497-8554
NSN 5835-00-168-9623
NSN 2925-00-328-2018
NSN 6620-01-493-6988
NSN 5985-01-238-8365
NSN 5975-01-066-6494
NSN 6320-01-029-4220
NSN 5975-01-388-0808
NSN 6150-01-657-8909
NSN 5910-00-195-3122
NSN 5920-01-183-3125
NSN 5910-01-023-8082