| GENERAL CHARACTERISTICS ITEM DESCRIPTION | PANEL OF 1/8 IN CELL HONEYCOMB 1/2 IN TK ALUM MIL-C-7438,FRAME OF ALUM QQ-A-274 ALLOY 6063-T42,GASKET OF NEOPRENE RUBBER MIL-R-6130 TYPE 2 GRADE A AND MONEL QQ-N-281,FINISH ON ALUM CHROMATE WITH IRIDITE MIL-C-5541,2.25 BY 2.25 IN SQ,0.625 IN HG,4 HOLES 0.156 IN DIA |