Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5018343-309 found under Battery Nonrecharge by Thales Training And Simulation Ltd. The National Stock Number assigned to this part is 6135013680453, and the Federal Supply Class is 6135 Batteries Nonrechargeable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5018343-309.