Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K49E004-1 found under Extractor Electrical Card by Mcdonnell Douglas. The National Stock Number assigned to this part is 5998011410573, and the Federal Supply Class is 5998 Electrical And Electronic Assemblies Boards Cards And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K49E004-1.