Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B8436M0DEL14E found under Clock Marine Mechanical by Chelsea Clock Llc The. The National Stock Number assigned to this part is 6645003185613, 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 B8436M0DEL14E.