Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 389-054-581 found under Transducer Motional Pickup by Ge Inspection Technologies Lp. The National Stock Number assigned to this part is 6695015390422, 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 389-054-581.