Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KEF239 found under Lens Light by Carlisle And Finch Company The. The National Stock Number assigned to this part is 6230008894784, and the Federal Supply Class is 6230 Electric Portable And Hand Lighting Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KEF239.