Used to hold snorkel to divers mask
NSN 5925-00-916-7851
NSN 6610-01-278-9387
NSN 6685-01-621-3219
NSN 5985-01-565-1516
NSN 5930-01-599-8639
NSN 6135-01-106-7740
NSN 5905-00-439-3729
NSN 5925-01-407-5954
NSN 6685-01-377-6433
NSN 5990-00-277-3763
NSN 5920-01-579-7013
NSN 6650-01-177-4398