Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CD90008 found under Valve Check by Flomega Industries Inc. The National Stock Number assigned to this part is 4820013838438, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CD90008.