Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 498237-405REVC found under Heating Element Electrical Immer by Spd Electrical Systems Inc. The National Stock Number assigned to this part is 2590005418275, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 498237-405REVC.