Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1694951C91 found under Valve Modulator Tra by Navistar Intl Corp. The National Stock Number assigned to this part is 2520011810915, 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 1694951C91.