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 5925-01-352-0657
NSN 6320-01-541-7585
NSN 4140-01-367-0791
NSN 5915-01-034-5231
NSN 5855-01-254-3041
NSN 5965-01-147-5847
NSN 6145-00-799-1125
NSN 6145-01-577-7616
NSN 6685-01-024-9508
NSN 7035-01-517-8663
NSN 5905-01-309-6307
NSN 6645-01-342-1069