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National Stock Number: 5640-00-883-0434
Federal Supply Class: 5640
National Item Identification Number: 008830434
Description: INSULATION BLANKET,THERMAL
Detail: A FLEXIBLE MATERIAL COMPOSED OF ONE OR MORE KINDS OF FIBER, WITH OR WITHOUT BINDER ADDED, SUPPLIED IN FLAT SHEETS OR ROLLS. IT MAY HAVE A VAPOR BARRIER OR REINFORCING MATERIAL SUCH AS PAPER, WOVEN WIRE OR OTHER SHEET MATERIAL AFFIXED TO ONE OR BOTH SIDES. IT IS DESIGNED TO PROVIDE RESISTANCE TO THE FLOW OF HEAT, AND MUST BE RATED FOR THIS USE. EXCLUDES INSULATION COMPONENTS PREFABRICATED INTO DEFINITE SHAPES AND SIZES USED IN AIRCRAFT APPLICATIONS. EXCLUDES INSULATION BLANKET,THERMAL,AIRCRAFT.
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Manufacturer Information:
ASTM C665 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | ASTM C665 TY3CLA | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | THERMAFIBERSILVERSHIELDBLANKET | 61357 | UNITED STATES GYPSUM CO | HH-I-521 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
ADDED BINDER | NOT INCLUDED | AFFIXED SHEET | INCLUDED | DECORATIVE SIDE COLOR | ANY ACCEPTABLE | ENVIRONMENTAL PROTECTION | WATER REPELLENT | LAYER ENVIRONMENTAL PROTECTION | FIRE RESISTANT | LAYER QUANTITY | 1 | LAYER THICKNESS | 3.000 INCHES NOMINAL | LENGTH | 96.000 INCHES NOMINAL | MATERIAL | ALUMINUM BOTH SIDES | MATERIAL | MINERAL FIBER LAYER | MAXIMUM THERMAL CONDUCTIVITY | 0.27 AT 75 DEG F | MOUNTING FACILITY | FLANGE | NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND A CLASS | ONE SIDE DECORATION PROVISION | NOT PROVIDED | QUILTED FEATURE | NOT INCLUDED | REFLECTIVE SURFACE LOCATION | BOTH SIDES | SPECIAL FEATURES | MINERAL WOOL BLANKET SHALL BE ENCLOSED IN HEAVY HIGHLY POLISHED ALUMINUM FOIL,EXCEPT FOR MIL ENDS; SOLID SURFACE VAPOR BARRIER ON THE WARM SIDE SHALL FORM NAILING FLANGES; BACK FOIL SURFACE SHALL BE PERFORATED TO ALLOW BREATHING OF MINERAL WOOL FIBERS AND MINIMIZE VAPOR TRAPS; HEAVY ASPHALTED PAPER FLANGES SHALL SEPARATE FRONT AND FOIL PANELS TO PREVENT TRANSFER AND TO PROVIDE ADDED STRENGTH TO THE NAILING FLANGES | THICKNESS | 3.000 INCHES NOMINAL | WIDTH | 23.000 INCHES NOMINAL |
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