Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MPBX19433 found under Bracket Mounting by Raytheon Marine Co. The National Stock Number assigned to this part is 5340014902718, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MPBX19433.