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The empty components of this smoke grenade comprise a cylindrical body, top, detonator tube, bottom with filling hole, and a filling-hole plug. All are of tin plate except the detonator tube, which is of brass. The top is secured to one end of the body by a folded joint, which is soldered. A threaded recess in the top accommodates the striker-mechanism adapter and also carries the detonator tube, which is secured to it by soldering. A charge of white phosphorus is contained in the body and retained by a bottom plate folded over onto the body and soldered. A filling hole in the bottom is closed by a soldered plug. The Detonator No. 75 Mk II is of sufficient strength to burst the grenade and scatter the W.P.
The striker mechanism comprises a zinc-base alloy (Mazak) housing which carries the striker, striker axis pin, and striker spring- It is suit¬ably shaped to accommodate the safety lever, which is retained by a safety pin passed through corresponding holes in the lever and housing. The pin is provided with a ring to facilitate withdrawal. This mechanism is very similar to the Bouchon type igniter commonly used in United States grenades. q
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