Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BA1400U found under Battery Nonrechargeable by Joint Electronics Type Designation. The National Stock Number assigned to this part is 6135001350194, 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 BA1400U.