NSN 5640-00-255-7983

Part Details | THERMAL INSULATION BOARD

5640-00-255-7983 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.

Alternate Parts: ASTM C208, LLLI535, LLL-I-535, 5640-00-255-7983, 00-255-7983, 5640002557983, 002557983

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56MAR 08, 196800-255-798315118 ( INSULATION BOARD, THERMAL )
REFERENCE DRAWINGS & PICTURES

BUTT JOINT

BUTT JOINT

BUTT JOINT

Cross Reference | NSN 5640-00-255-7983
Part Number Cage Code Manufacturer
ASTM C20881346AMERICAN SOCIETY FOR TESTING ANDMATERIALS
LLL-I-53581348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 5640-00-255-7983
Characteristic Specifications
MATERIAL CELLULOSE
OVERALL THICKNESS0.451 INCHES MINIMUM AND 0.549 INCHES MAXIMUM
COVERAGE WIDTH47.750 INCHES MINIMUM AND 48.000 INCHES MAXIMUM
OVERALL WIDTH47.750 INCHES MINIMUM AND 48.000 INCHES MAXIMUM
COVERAGE LENGTH95.625 INCHES MINIMUM AND 96.000 INCHES MAXIMUM
OVERALL LENGTH95.625 INCHES MINIMUM AND 96.000 INCHES MAXIMUM
MAXIMUM THERMAL CONDUCTIVITY0.38 AT 75 DEG PORM 5 F MEAN TEMP
LONG EDGE JOINT STYLE BUTT JOINT
SHORT EDGE JOINT STYLE BUTT JOINT
FLAMEPROOF FEATURE NOT INCLUDED