Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HA2500.05 found under Tester Fuel Injector Pump by Assembly And Test Worldwide Inc. The National Stock Number assigned to this part is 4910013177265, 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 HA2500.05.