Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EMS-EG-MA-F15 found under Tool And Equipment Kit Aircraft by Snap On Tools Corp. The National Stock Number assigned to this part is 4920016262178, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EMS-EG-MA-F15.