Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5143-3160 found under Resistor Fixed Film by Mepco Electra Inc. The National Stock Number assigned to this part is 5905003123490, 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 5143-3160.