Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2004A43H01 found under Switch Flow by Treadwell Corporation. The National Stock Number assigned to this part is 5930011599965, 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 2004A43H01.