Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B300-265-2 109 found under Contactor Magnetic by Environmental Technology Inc. The National Stock Number assigned to this part is 6110014733921, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B300-265-2 109.