Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45N07B40P1531-3 found under Switch Subassembly by Staco Energy Products. The National Stock Number assigned to this part is 5930010259657, 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 45N07B40P1531-3.