Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 401 016 004 found under Battery Nonrechargeable by Tyco Fire And Integrated Solutions. The National Stock Number assigned to this part is 6135009002139, 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 401 016 004.