Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 43204013-04 found under Ballast Board Assembly by Everest Vit Uk Ltd. The National Stock Number assigned to this part is 6032014459746, and the Federal Supply Class is 6032 Fiber Optic Light Sources And Photo Detectors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 43204013-04.