Product Details | THERMAL INSULATION BOARD

5640-00-726-8689 An item identical in construction to INSULATION BLOCK, THERMAL except that it is supplied in lengths greater than 36 inches (914.4 mm). Excludes BUILDING BOARD (as modified). MILLBOARD, ASBESTOS; ASBESTOS SHEET, COMPRESSED; CORK SHEET; CORK AND RUBBERSHEET; and FIBERBOARD (as modified). See also INSULATION BLANKET, THERMAL.

Part Alternates: ASTM C208, ASTMC208, LLLI535, 5640-00-726-8689, 00-726-8689, 5640007268689, 007268689

Construction and Building Materials | Wallboard, Building Paper, and Thermal Insulation Materials

Supply Group (FSG) NSN Assign. NIIN
56 01 JAN 1961 00-726-8689

Drawings & Photos | NSN 5640-00-726-8689


Cross Reference | NSN 5640-00-726-8689

Part Number Cage Code Manufacturer
ASTM C208 81346 AMERICAN SOCIETY FOR TESTING AND MATERIALS
LLLI535 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5640-00-726-8689

Characteristic Specifications
MATERIAL FIBER, VEGETABLE
OVERALL THICKNESS 0.375 INCHES NOMINAL
COVERAGE WIDTH 48.000 INCHES NOMINAL
OVERALL WIDTH 48.000 INCHES NOMINAL
COVERAGE LENGTH 72.000 INCHES NOMINAL
OVERALL LENGTH 72.000 INCHES NOMINAL
MAXIMUM THERMAL CONDUCTIVITY 0.38 AT 75 DEG F MEAN TEMP
LONG EDGE JOINT STYLE 7 BUTT JOINT
SHORT EDGE JOINT STYLE 7 BUTT JOINT
FLAMEPROOF FEATURE NOT INCLUDED
WATER REPELLENT COATED SURFACE NOT PROVIDED
ONE SIDE DECORATION PROVISION PROVIDED
DECORATIVE SIDE COLOR IVORY
TEMP RATING NOT RATED
DENSITY RATING NOT RATED
DEPARTURE FROM CITED DESIGNATOR TDLY,TDLZ

Restrictions/Controls & Freight Information | NSN 5640-00-726-8689

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information