5905-00-883-0432 RESISTOR,FIXED,FILM Index 3895-00-883-0437 MIXER,ROTARY TILLER

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.


Manufacturer Information:
ASTM C66581346AMERICAN SOCIETY FOR TESTING AND MATERIALS
ASTM C665 TY3CLA80244GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE
THERMAFIBERSILVERSHIELDBLANKET61357UNITED STATES GYPSUM CO
HH-I-52181348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
ADDED BINDERNOT INCLUDED
AFFIXED SHEETINCLUDED
DECORATIVE SIDE COLORANY ACCEPTABLE
ENVIRONMENTAL PROTECTIONWATER REPELLENT
LAYER ENVIRONMENTAL PROTECTIONFIRE RESISTANT
LAYER QUANTITY1
LAYER THICKNESS3.000 INCHES NOMINAL
LENGTH96.000 INCHES NOMINAL
MATERIALALUMINUM BOTH SIDES
MATERIALMINERAL FIBER LAYER
MAXIMUM THERMAL CONDUCTIVITY0.27 AT 75 DEG F
MOUNTING FACILITYFLANGE
NONDEFINITIVE SPEC/STD DATA3 TYPE AND A CLASS
ONE SIDE DECORATION PROVISIONNOT PROVIDED
QUILTED FEATURENOT INCLUDED
REFLECTIVE SURFACE LOCATIONBOTH SIDES
SPECIAL FEATURESMINERAL 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
THICKNESS3.000 INCHES NOMINAL
WIDTH23.000 INCHES NOMINAL


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