Product 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.

Part Alternates: HHI554, 5640-00-555-8326, 00-555-8326, 5640005558326, 005558326

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

Supply Group (FSG) NSN Assign. NIIN
56 01 JAN 1963 00-555-8326

Cross Reference | NSN 5640-00-555-8326

Part Number Cage Code Manufacturer
HHI554 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5640-00-555-8326

Characteristic Specifications
BASIC MATERIAL PERCENTAGE ASBESTOS FIBER 15 PCT,MAGNESIA 85 PCT
MATERIAL ASBESTOS AND
OVERALL THICKNESS 1.875 INCHES MINIMUM AND
COVERAGE WIDTH 5.875 INCHES MINIMUM AND
OVERALL WIDTH 5.875 INCHES MINIMUM AND
COVERAGE LENGTH 35.875 INCHES MINIMUM AND
OVERALL LENGTH 35.875 INCHES MINIMUM AND
MAXIMUM THERMAL CONDUCTIVITY 0.46 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 RATING 600.0 DEG FAHRENHEIT
DENSITY RATING 14.0 POUNDS PER CUBIC FOOT
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE HHI554

Restrictions/Controls & Freight Information | NSN 5640-00-555-8326

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
NMF Description 103300 INSULATING MATERIAL NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 561 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable