dsc46407.jpg

Detail of the ID plates on the gimbal mount and oxidizer torus.

The top tag (blue, on the gimbal mount) reads

Part No.	250742-19
S/N 0000140
Height 4.258
Aerojet-General Corporation

The bottom tag (silver, on the oxidizer torus) reads

Thrust Chamber Assy.
Stock No.	[blank]
Part No.	256400-269
Serial No.	0000075
Contract No.	AF04-607-10978
Pat. No.	[blank}
Aerojet-General