GENERAL CHARACTERISTICS ITEM DESCRIPTION | CLOSED CELL SPONGE RUBBER,APPROX ONE INCH THK; O/A DIM. 11 IN. W,12 IN. H,10 IN. DEEP; USED TO PREVENT THE ADAPTER TESTING AN SRU FROM BEING AFFECTED BY CHAMBER TEMP.; HAS INNER AND OUTER FIBERGLASS SKINS W/LOW DENSITY FOAM-IN-PLACE INSULATION BETWEEN |