Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UB0023 found under Battery Nonrecharge by Ultralife Corporation. The National Stock Number assigned to this part is 6135015176060, 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 UB0023.