Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7H-0400 found under Nozzle Fuel And Oil Servicing by Opw Fueling Components Inc. The National Stock Number assigned to this part is 4930015954803, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7H-0400.