Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NW3607 PC.9 found under Shearing Tool by National Annealing Box Co. The National Stock Number assigned to this part is 5120013303757, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NW3607 PC.9.