Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAV363-31-70BS86672 found under Amplifier Synchro Signal by Gyro Systems Co Inc. The National Stock Number assigned to this part is 5996000886452, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NAV363-31-70BS86672.