Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AD50005-751 found under Stub Fuel Pump Drain by United Technologies Corporation. The National Stock Number assigned to this part is 1560001931147, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AD50005-751.