Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HSMS-2804 found under Semiconductor Devic by Hewlett Packard Inc. The National Stock Number assigned to this part is 5961014304095, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HSMS-2804.