Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 439-1067-ND found under Cell Battery by Digi Key Corporation Dba Digi Key Electronics. The National Stock Number assigned to this part is 6140015928786, 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 439-1067-ND.