Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6X26X26 TYPE SFK found under Heater Convection Steam Hot Wate by Trane Co The. The National Stock Number assigned to this part is 4520010375465, 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 6X26X26 TYPE SFK.