Michael Masone, 37, of Massapequa faces a long list of charges including unlawful storage of explosives.
Police say Masone had 113 cases of fireworks and 400 mortars.
Officers arrested him after the Nassau County Arson and Bomb Squad found the materials.
ALSO READ | Shots fired by police as driver takes off on the Goethals Bridge
Shots fired by police as driver takes off on the Goethals Bridge
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