Burster AN-M12 is essentially a cylindrical plastic or aluminum body filled with an explosive charge consisting of 435 grams of a mixture of oil coated magnesium and black powder. One end of the body is closed by a metal or plastic plug; the other end, by a plug assembly which consists of a thin walled metal cup inserted in a steel cup holder. The end of the cup holder is hexagonal and forms a shoulder by which the burster is held in position in the bomb. Burster AN-M12 is used in incendiary bomb AN-M47A3.
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