Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SPS1137 found under Power Supply Assembly by Transistor Devices Inc. The National Stock Number assigned to this part is 6130004043809, 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 SPS1137.