Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MP1-40R-01 found under Switch Push by Abb Control Inc. The National Stock Number assigned to this part is 5930015724259, 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 MP1-40R-01.