Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B280500010 found under Valve Regulating Sy by Robert Bosch Gmbh. The National Stock Number assigned to this part is 4820123257475, 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 B280500010.