Extreme cold weather survival; with square loop; flat design; dual tone sound; audible from great distances; component of the arctic survial kit used by under water construction teams
A small flat item developed for producing a loud shrill sound, consisting of two tones. This sound is audible from great distances, for the purpose of locating overboard victims. It is designed for use in extreme cold weather. Also its flat design prevents it from holding water.
NSN 5915-01-351-5656
NSN 6145-01-154-0616
NSN 6610-01-108-0417
NSN 5935-01-472-0913
NSN 5920-00-484-8074
NSN 5895-01-361-6920
NSN 5835-01-522-9881
NSN 5998-01-487-3833
NSN 6610-01-603-0703
NSN 7035-01-069-3537
NSN 6620-00-492-4936
NSN 6110-00-314-0377