Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ER8031A found under Power Supply Pci by Aegis Power Systems Inc. The National Stock Number assigned to this part is 6130016281593, 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 ER8031A.