Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E04-RTHT-102S found under Valve Rotary Selector by Bosch Automation Technology. The National Stock Number assigned to this part is 4820012022091, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E04-RTHT-102S.