A ground support equipment R-4D rocket engine purge plug. The plug measures 15″ long, with the metal parts bearing stamped and stenciled part numbers, with an engraved section reading, “M&M 1, G16–824488 S, 5–65.” An affixed sticker reads “212” and the hard rubber collar at the bottom of the flexible base is labeled “G16–8844923…Durometer 60/70, Shore.” In fine condition, with scattered dings, scratches, and toned adhesive.
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