Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SE0003900136 SHEET 0144 found under Lamp Cartridge by Bae Systems Marine Limited. The National Stock Number assigned to this part is 6240009319654, 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 SE0003900136 SHEET 0144.