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dscc5506.jpg

Detail of the engine's ID plate, located on the engine mount.

Picture 2 of 2.

It reads


Rocketdyne
A Division of
North American Aviation
Canoga Park, Calif.
Manufacturers
Model
Customers
Model
X-A7 X-A7
Manufacturers
Serial No.
Customers
Serial No.
X001 X001
Type Cert. Contract No.
[blank] CNAA-22/ES-RM214
Engine Type Accepted
G.O. 9577 [inspection stamp]

I'm not certain what to make out of the "X-A7" model designation, with the corresponding serial number of "X001"; presumably, this was some sort of experimental version of the engine.

Additionally, note that the center component of the contract number has "22" overstruck with "ES"; while the other characters are all stamped on a straight line, the "ES" is on a different plane, and the "E" and the "S" do not line up, so I assume that the "ES" was overstruck later.

 
ID plate on A-7 Engine at Kansas Cosmosphere
Time picture taken Thu Apr 14 16:44:36 2016
Location picture taken The Blockhouse Gallery
Hall of Space
Kansas Cosmosphere
Hutchinson, KS
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