Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C5-19-1757 found under Switch Assembly by R And D Electronics Inc. The National Stock Number assigned to this part is 5930010270980, 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 C5-19-1757.