Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C0M1553BHR found under Microcircuit Digital by Standard Microsystems Corp. The National Stock Number assigned to this part is 5962012287028, 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 C0M1553BHR.