Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B13635 found under Resistor Variable Wire Wound Non by Tiffin Metal Products Co. The National Stock Number assigned to this part is 5905003716809, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B13635.