Used to hold snorkel to divers mask
NSN 5920-01-228-0577
NSN 6320-00-593-0379
NSN 5915-01-424-3186
NSN 5895-01-253-2588
NSN 7035-01-366-5912
NSN 5990-01-154-7296
NSN 6610-01-062-8557
NSN 5895-01-272-4187
NSN 5985-01-220-9546
NSN 5950-00-221-5235
NSN 6110-01-481-9550
NSN 5935-01-472-3577