Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HD 1 54C165 found under Microcircuit Digita by Intersil Corporation. The National Stock Number assigned to this part is 5962011677872, 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 HD 1 54C165.