Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LFEM949-004 found under Power Supply Set by Lfe. The National Stock Number assigned to this part is 6130015303752, 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 LFEM949-004.