Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BPC146FCU4-28V15-B found under Lamp Cartridge by Starled Inc. The National Stock Number assigned to this part is 6240015668041, and the Federal Supply Class is 6240 Electric Lamps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BPC146FCU4-28V15-B.