Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A188 found under Microcircuit Linear by Aeroflex Kdi Inc. The National Stock Number assigned to this part is 5962011686025, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A188.