Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4015524 found under Switchtoggle by Praecisions Teknik A S. The National Stock Number assigned to this part is 5930016833704, 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 4015524.