Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NTN4327B found under Battery Assembly by Motorola Inc. The National Stock Number assigned to this part is 6135014377741, 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 NTN4327B.