Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TS-3815-1373 found under Resistor Network Fi by Microsemi Corp Massachusetts. The National Stock Number assigned to this part is 5905003279869, 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 TS-3815-1373.