Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2AR6L40 found under Light Unit Emergency by Big Beam Emergency Systems Inc. The National Stock Number assigned to this part is 6230012195212, 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 2AR6L40.