Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CGAS4487 found under Knob by Erdco Engineering Corporation. The National Stock Number assigned to this part is 5355011057030, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CGAS4487.