Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HL80104 found under Microcircuit Digital by Eck And Krebs Scientific Laboratory. The National Stock Number assigned to this part is 5962010737368, 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 HL80104.