Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10648 SM4 352 found under Switch Push by Guillevin International Co. The National Stock Number assigned to this part is 5930013364672, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 10648 SM4 352.