Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QSA175-0.25 found under Power Supply by Raytheon Company. The National Stock Number assigned to this part is 6130010763926, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like QSA175-0.25.