Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 443968-004 found under Power Supply Set by Air System Components Inc. The National Stock Number assigned to this part is 6130014250905, 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 443968-004.