| GENERAL CHARACTERISTICS ITEM DESCRIPTION | CONSISTS OF FOUR LAYERS OF MATERIALS,FIRST LAYER IS INCONEL .002 INS FOIL CORRUGATED,SECOND LAYER IS STEEL,CORROSION RESISTANT 0.0028 INS SHEET TYPE 43 CONDITIONAL PER SPEC QQS-766,THIRD LAYER IS STIMSON ALUMINUM PLATED FLAT FLANGE EYELET A1253 OR EQUAL,FOURTH LAYER IS INSULATING FELT OF DENSITY BETWEEN 8 AND 16 LBS PER CU.FT.ON THICKNESS OF 0.375,0.500 OR 0.750 INS;OVERALL HGT IS 6.563 INS MIN AND 6.688 INS MAX;OVERALL LGT WHEN BENT IS 10.750 INS |