Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 234170 found under Stop Spool And Inching Valve Tra by Desco Corp. The National Stock Number assigned to this part is 2520011176436, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 234170.