NSN 5640-00-555-8326

Part Details | THERMAL INSULATION BLOCK

5640-00-555-8326 A rigid item designed to provide low thermal conductivity. It is composed of one or more kinds of granules and/or fiber with binder added, and has no specific surface perforations, fissures, slots or the like. It is supplied in lengths up to and including 36 inches (914.4 mm). For longer items, see INSULATION BOARD, THERMAL. Excludes BUILDING BOARD (as modified); MILLBOARD, ASBESTOS; ASBESTOS SHEET, COMPRESSED; CORK SHEET; CORK AND RUBBER SHEET; and FIBERBOARD (as modified). See also INSULATION BLANKET, THERMAL.

Alternate Parts: HHI554, 5640-00-555-8326, 00-555-8326, 5640005558326, 005558326

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56JAN 01, 196300-555-832615117 ( INSULATION BLOCK, THERMAL )
REFERENCE DRAWINGS & PICTURES

BUTT JOINT

BUTT JOINT

BUTT JOINT

Cross Reference | NSN 5640-00-555-8326
Part Number Cage Code Manufacturer
HHI55481348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 5640-00-555-8326
Characteristic Specifications
BASIC MATERIAL PERCENTAGEASBESTOS FIBER 15 PCT,MAGNESIA 85 PCT
MATERIAL ASBESTOS
OVERALL THICKNESS1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM
COVERAGE WIDTH5.875 INCHES MINIMUM AND 6.125 INCHES MAXIMUM
OVERALL WIDTH5.875 INCHES MINIMUM AND 6.125 INCHES MAXIMUM
COVERAGE LENGTH35.875 INCHES MINIMUM AND 36.125 INCHES MAXIMUM
OVERALL LENGTH35.875 INCHES MINIMUM AND 36.125 INCHES MAXIMUM
MAXIMUM THERMAL CONDUCTIVITY0.46 AT 200 DEGREE FAHRENHEIT; 0.50 AT 300 DEGREES FAHRENHEIT; 0.53 AT 400 DEGREE FAHRENHEIT
LONG EDGE JOINT STYLE BUTT JOINT
SHORT EDGE JOINT STYLE BUTT JOINT
FLAMEPROOF FEATURE NOT INCLUDED
WATER REPELLENT COATED SURFACE NOT PROVIDED
ONE SIDE DECORATION PROVISION NOT PROVIDED
TEMP RATING600.0 DEG FAHRENHEIT
DENSITY RATING14.0 POUNDS PER CUBIC FOOT
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A CLASS