Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X9117 B7B found under Cage Valve by Novek Technical Solutions Bv. The National Stock Number assigned to this part is 4820004888370, 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 X9117 B7B.