Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 100400378 found under Housing Heater by Blackstone Sweden Ab. The National Stock Number assigned to this part is 2540011727876, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 100400378.