Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 41SG139-1 found under Transmitter Pressure by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 6620014362715, and the Federal Supply Class is 6620 Engine Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 41SG139-1.