Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PA 023-159 found under Switch Electrical by N A P Smd Technology Inc. The National Stock Number assigned to this part is 5930004564793, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PA 023-159.