This specification covers the manufacture, assembly, preparation for delivery of the Marker, Location, Marine MK 25 and Mods 2 and 3, and the methods of examination and tests upon which product acceptance shall be based. The marker consists of an aluminum body containing a pyrotechnic composition which produces a yellow flame and white smoke when electrically initiated by Mk 13 Mod O Electric Squib which is activated by a Mk 72 Mod 1 Water Activated Battery. The base of the marker contains a safe-arm feature that seals the battery cavity. The marker is classified as Class B Explosives ( Code of Federal Regulations 49 CFR 71-78) and IIC Explosives (Coast Ward Rules and Regulations for Military Explosives and Hazardous Munitions CG 1.08).

American National Standards Institute Inc.

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