Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HCS104 5 found under Socket by Hypertac Ltd. The National Stock Number assigned to this part is 1680990515878, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HCS104 5.