Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G7157-163-02 found under Standoff Threaded S by Singer Co The. The National Stock Number assigned to this part is 5340004917463, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like G7157-163-02.