Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 30250SC found under Regulator Thermosta by Fairchild Industries Inc. The National Stock Number assigned to this part is 4820013984899, 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 30250SC.