Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IT4350-390 found under Water Drain by Industrial Tube Company Llc. The National Stock Number assigned to this part is 1680016587605, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like IT4350-390.