Product Details | THERMAL INSULATION SLEEVING

5640-00-397-2788 A rigid or flexible item composed of one or more materials, having uniform inside and outside diameters in the entire length. It may be furnished in segments or split-round or full-round sections, composed of one or more layers. It is specifically designed to cover pipe, tubing, and like surfaces, to restrict the transfer of heat from the high temperature surface to the low temperature surface. It may also include protective coatings, jackets, attaching cement, attaching bands, and/or accessories, (excluding prefabricated components used in aircraft applications). Excludes INSULATION PIPE COVERING, THERMAL, AIRCRAFT.

Part Alternates: ASTM C534, ASTMC534, HHI573, HH-I-573, 5640-00-397-2788, 00-397-2788, 5640003972788, 003972788

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

Supply Group (FSG) NSN Assign. NIIN
56 12 APR 1974 00-397-2788

Cross Reference | NSN 5640-00-397-2788

Part Number Cage Code Manufacturer
ASTM C534 81346 AMERICAN SOCIETY FOR TESTING AND MATERIALS
HH-I-573 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5640-00-397-2788

Characteristic Specifications
FLEXIBILITY FLEXIBLE
LAYER QUANTITY 1
MATERIAL PLASTIC, FOAM, ELASTOMERIC
FABRICATION METHOD EXPANDED
MATERIAL DENSITY 4.0 POUNDS PER CUBIC FOOT MINIMUM AND 8.5 POUNDS PER CUBIC FOOT MAXIMUM
FLAMMABILITY RATING ANY ACCEPTABLE
TEMP RATING -129.0 DEG CELSIUS MAXIMUM
INSULATION THICKNESS 0.750 INCHES NOMINAL
INSIDE DIAMETER 1.000 INCHES NOMINAL
LENGTH 72.000 INCHES NOMINAL
DESIGN FORM PARTIALLY SPLIT ROUND OR SPLIT ROUND
NONDEFINITIVE SPEC/STD DATA 1 TYPE
DEPARTURE FROM CITED DOCUMENT AS DIFFERENTIATED BY TEMP RATING

Restrictions/Controls & Freight Information | NSN 5640-00-397-2788

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