Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3-03-0165 found under Battery Water Activ by Acr Electronics Inc. The National Stock Number assigned to this part is 6135011804588, 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 A3-03-0165.