Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M150MLTLC3M500K found under Ballast Lamp by Magne Tek Inc. The National Stock Number assigned to this part is 6250013528003, and the Federal Supply Class is 6250 Ballasts Lampholders And Starters. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M150MLTLC3M500K.