Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 70501 218 found under Battery Nonrechargeable by Avon Protection Systems Inc. The National Stock Number assigned to this part is 6135016245608, 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 70501 218.