Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1J12AV4 found under Resistance Element by Watlow Electric Manufacturing. The National Stock Number assigned to this part is 5905014081072, 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 S1J12AV4.