Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3200 OPT 150 found under Counter Electronic Digital Reado by Pendulum Instruments Inc. The National Stock Number assigned to this part is 6625015157451, 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 3200 OPT 150.