Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A16-004237 found under Microcircuit Digital by Sonicraft Inc. The National Stock Number assigned to this part is 5962012288376, 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 A16-004237.