Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 66189P97 found under Plugprotectivedust And Moistur by Wilcox Industries Corp. The National Stock Number assigned to this part is 5342016895320, 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 66189P97.