Used to hold snorkel to divers mask
NSN 5910-01-074-1488
NSN 5960-01-503-0362
NSN 5930-00-726-2067
NSN 5930-01-340-1534
NSN 5925-00-250-8143
NSN 6130-00-009-1095
NSN 4140-01-473-0982
NSN 6105-01-063-7704
NSN 2925-01-618-5706
NSN 6610-00-033-3289
NSN 6130-01-561-2100
NSN 6645-01-432-7943