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 6645-01-328-1034
NSN 2925-01-190-9352
NSN 6130-01-369-6177
NSN 6130-01-350-0828
NSN 5925-00-216-4480
NSN 5990-01-510-4699
NSN 7035-00-760-5479
NSN 5975-00-276-7559
NSN 5945-00-203-5575
NSN 4140-01-458-0356
NSN 5985-01-027-0225
NSN 5855-01-208-1471