Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G541452-1 found under Valve Check by Raytheon Technical Services Company. The National Stock Number assigned to this part is 4820013548940, 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 G541452-1.