Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8016-103 MDL. NO. D34M found under Battery Storage by Optima Batteries Inc. The National Stock Number assigned to this part is 6140014759355, and the Federal Supply Class is 6140 Batteries Rechargeable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8016-103 MDL. NO. D34M.