Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 277438 found under Module Flip Flop by Penta Engineering. The National Stock Number assigned to this part is 7021001068922, and the Federal Supply Class is 7021 Adp Central Processing Unit Cpu Computer Digital. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 277438.