Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 43B4-115-43NM1 found under Switch Pressure by Ellis And Watts International Llc. The National Stock Number assigned to this part is 5930005025964, 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 43B4-115-43NM1.