Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CA4-A250-USA002-FS2 found under by American Solenoid Co Inc. The National Stock Number assigned to this part is 5930016132096, 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 CA4-A250-USA002-FS2.