Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AST3003A1B-E100A0A found under Power Supply by Ametek Inc. The National Stock Number assigned to this part is 6130016867980, 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 AST3003A1B-E100A0A.