Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C300L13-44-3 found under Heater Space Electric by Valad Electric Heating Corp. The National Stock Number assigned to this part is 4520010371621, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C300L13-44-3.