Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 150B3-125 found under Switch Box by Pauluhn Electric Manufacturing Llp. The National Stock Number assigned to this part is 5930014149851, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 150B3-125.