Product Details | THERMAL INSULATION

5640-00-641-4903 A loose mass of glass wool, mineral wool, vegetable fibers, or diatomaceous earth as originally processed without regard to form or dimensions, primarily designed as loose fill for offering resistance to the flow of heat. Do not use if a more specific item name exists. Excludes electrical insulating compounds and CORK STRIP.

Part Alternates: 5640-00-641-4903, 00-641-4903, 5640006414903, 006414903

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

Supply Group (FSG) NSN Assign. NIIN
56 01 JAN 1963 00-641-4903

Cross Reference | NSN 5640-00-641-4903

Part Number Cage Code Manufacturer
5640-00-641-4903 80244 GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE

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Technical Data | NSN 5640-00-641-4903

Characteristic Specifications
MATERIAL CORK
PHYSICAL FORM GRANULAR
RESIN TREATMENT NOT INCLUDED
DENSITY RATING 6.0 POUNDS PER CUBIC FOOT
TEMP RATING NOT RATED
NONDEFINITIVE SPEC/STD DATA A SIZE

Restrictions/Controls & Freight Information | NSN 5640-00-641-4903

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