Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E1722-4FIG12SIZE found under Rotor by Fischer Connectors Inc. The National Stock Number assigned to this part is 4320003165361, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E1722-4FIG12SIZE.