Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7803-31-R5000K L0.05 found under Resistor Variable W by Bi Technologies Corporation. The National Stock Number assigned to this part is 5905009936915, 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 7803-31-R5000K L0.05.