Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HCS9000-30-103 found under Keyboard Silicon Ru by Heatcon Composite Systems Inc. The National Stock Number assigned to this part is 4920015420268, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HCS9000-30-103.