Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 790550-001 found under Parts Kit Pressure Regulating Va by Pacific Consolidated Industries. The National Stock Number assigned to this part is 4820013720039, 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 790550-001.