Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 72339-31 found under Armature Induction by Black And Decker Corp. The National Stock Number assigned to this part is 5945012103757, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 72339-31.