Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 171373005C found under Air Conditioner by Real Time Laboratoriesllc. The National Stock Number assigned to this part is 4120015685901, and the Federal Supply Class is 4120 Air Conditioning Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 171373005C.