Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L5175125-021 found under Computer Correction by Hi Shear Corporation. The National Stock Number assigned to this part is 7042016190751, and the Federal Supply Class is 7042 Mini And Micro Computer Control Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L5175125-021.