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| U.S.N.B.D. - UNITED STATES - BOMBS AND FUZES; PYROTECHNICS |
| SECTION IV - PYROTECHNICS |
| PART II - GROUND PYROTECHNICS |
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DATA: |
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U.S. NAVY GRENADE |
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ILLUMINATING |
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LENGTH |
4.3 in. |
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DIAMETER |
2.1 in. |
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WEIGHT |
9.2 oz. |
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INTENSITY OF LIGHT |
60,000 candle power |
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DELAY |
7 seconds |
Mk 1 |
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BUNRING TIME |
25 seconds |
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USE: |
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For illumination of enemy positions. |
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DESCRIPTION: |
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The grenade consists of two metal shells pressed together and sealed. The upper shell contains a Bouchon igniter and a delay fuze. The bottom shell contains the illumi-nant composition, first fire charge, ignition charge, quickmatch, and disc. |
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OPERATION: |
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Hold the grenade in the hand, making sure the lever is held tightly against the body of the grenade. Pull the release pin and throw the grenade. When the lever is released, the firing pin is freed to fire the primer. The primer ignites the delay which burns for 7 seconds and then ignites the ignition charge. The ignition charge sets off the first fire composition which in turn ignites the illuminant composition. The gases from the ignition charge and first fire force the two shells apart thus leaving the illuminant composition of the bottom shell free for burning. |
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