Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 713 REGULATOR found under Valve Regulating Fl by Liquid Air Corp. The National Stock Number assigned to this part is 4820013584814, 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 713 REGULATOR.