dsc46649.jpg

Detail of the engine interface panel, on the forward end of the F-1 engine.

Picture 4 of 4.

Detail of the identification plate to the upper left of the inlet closure as shown in dsc46646.jpg. It reads

Part No.: 410410-11 Assy.
Part Name: Panel Assembly, Interface - Engine
Serial No.: 2020701      02602
Stock No.: F-1

How fun is that! A stock number of simply "F-1!"