Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MH400-U-LU-ED28 found under by Lumenarc Inc. The National Stock Number assigned to this part is 6240014604537, 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 MH400-U-LU-ED28.