Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SPS 3505 And P1897400 found under Power Supply by Transistor Devices Inc. The National Stock Number assigned to this part is 6130014154676, 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 SPS 3505 And P1897400.