Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7548885BAL found under Ballast Lamp by D And D Instruments Inc. The National Stock Number assigned to this part is 6250016229814, 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 7548885BAL.