Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS9001B1OPT38 found under Analyzer Spectrum by Anritsu Company. The National Stock Number assigned to this part is 6625013220696, 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 MS9001B1OPT38.