Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1990017 found under Battery Nonrechargeable by Eagle Picher Technologies Llc. The National Stock Number assigned to this part is 6135004375182, 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 1990017.