Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AD1-307B found under Capacitorfixedelectrolytic by Plastic Capacitors Inc. The National Stock Number assigned to this part is 5910016773891, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AD1-307B.