Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E302271 found under Battery Nonrechargeable by Ucar Carbon Co Inc. The National Stock Number assigned to this part is 6135002952613, 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 E302271.