Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WSN-18-0110-00 found under Valve Angle by Gea Westfalia Separator Inc Div. The National Stock Number assigned to this part is 4820013140995, 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 WSN-18-0110-00.