Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CY 3871A PPS 5 found under Battery Box by Joint Electronics Type Designation. The National Stock Number assigned to this part is 6160010128761, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CY 3871A PPS 5.