Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ATF251A found under Microcircuit Linear by Crane Electronics Ltd. The National Stock Number assigned to this part is 5962005067433, 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 ATF251A.