NSN 5640-00-883-0434

Part Details | THERMAL INSULATION BLANKET


5640-00-883-0434 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.

Alternate Parts: ASTM C665, HHI521, HH-I-521, ASTM C665 TY3CLA, THERMAFIBERSILVERSHIELDBLANKET, 5640-00-883-0434, 00-883-0434, 5640008830434, 008830434

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56NOV 20, 196700-883-043415120 ( INSULATION BLANKET, THERMAL )
REFERENCE DRAWINGS & PICTURES

Cross Reference | NSN 5640-00-883-0434
Part Number Cage Code Manufacturer
ASTM C66581346AMERICAN SOCIETY FOR TESTING ANDMATERIALS
HH-I-52181348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
ASTM C665 TY3CLA80244GENERAL SERVICES ADMINISTRATIONFEDERAL SUPPLY SERVICE
THERMAFIBERSILVERSHIELDBLANKET61357UNITED STATES GYPSUM CO

Technical Data | NSN 5640-00-883-0434
Characteristic Specifications
LAYER QUANTITY1
LAYER MATERIAL MINERAL WOOL
LAYER ENVIRONMENTAL PROTECTION FIRE RESISTANT
LAYER THICKNESS3.000 INCHES
MAXIMUM THERMAL CONDUCTIVITY0.27 AT 75 DEG F
ADDED BINDER NOT INCLUDED
AFFIXED SHEET INCLUDED
MATERIAL AND LOCATIONADC ALUMINUM FOIL
COATING MATERIAL ANY ACCEPTABLE
ONE SIDE DECORATION PROVISION NOT PROVIDED
DECORATIVE SIDE COLOR ANY ACCEPTABLE
ENVIRONMENTAL PROTECTION WATER REPELLENT
REFLECTIVE SURFACE LOCATION BOTH SIDES
QUILTED FEATURE NOT INCLUDED
MOUNTING FACILITY FLANGE
THICKNESS3.000 INCHES NOMINAL
WIDTH23.000 INCHES NOMINAL
LENGTH96.000 INCHES NOMINAL
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
NONDEFINITIVE SPEC/STD DATA3 TYPE AND A CLASS