Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SN54HC14J found under Microcircuit Digital by National Semiconductor Corp. The National Stock Number assigned to this part is 5962012008324, 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 SN54HC14J.