N.Y. Penal Law § 240.61
A person is guilty of placing a false bomb or hazardous substance in the second degree when he or she places, or causes to be placed, any device or object that by its design, construction, content or characteristics appears to be or to contain, a bomb, destructive device, explosive or hazardous substance, but is, in fact, an inoperative facsimile or imitation of such a bomb, destructive device, explosive or hazardous substance and which he or she knows, intends or reasonably believes will appear to be a bomb, destructive device, explosive or hazardous substance under circumstances in which it is likely to cause public alarm or inconvenience.
Placing a false bomb or hazardous substance in the second degree is a class E felony.
N.Y. Penal Law § 240.61