Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1978979 found under Battery Nonrechargeable by Thyssenkrupp Marine Systems. The National Stock Number assigned to this part is 6135012108715, 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 1978979.