Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B44343-1B found under Knob by Marine Acquisition Us Incorporated. The National Stock Number assigned to this part is 5355014360207, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B44343-1B.