Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 001 586 20 42 found under Parts Kit Pressure Regulating Va by Mercedes Benz Ag. The National Stock Number assigned to this part is 4820012409666, 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 001 586 20 42.