Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U74F157 found under Microcircuit Digita by Drs Rugged Systems Europe Ltd. The National Stock Number assigned to this part is 5962011407374, 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 U74F157.