Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LH5167609 PC143 found under Nut Plain Hexagon by Huntington Ingalls Incorporated. The National Stock Number assigned to this part is 5310014665858, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LH5167609 PC143.