Product Details | THERMAL INSULATION SLEEVING

5640-00-690-2768 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, 5640-00-690-2768, 00-690-2768, 5640006902768, 006902768

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

Supply Group (FSG) NSN Assign. NIIN
56 09 FEB 1968 00-690-2768

Cross Reference | NSN 5640-00-690-2768

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 5640-00-690-2768

Characteristic Specifications
FLEXIBILITY FLEXIBLE
LAYER QUANTITY 1
MATERIAL PLASTIC, FOAM, ELASTOMERIC
FABRICATION METHOD MOLDED
MATERIAL DENSITY 4.0 POUNDS PER CUBIC FOOT MINIMUM AND 8.5 POUNDS PER CUBIC FOOT MAXIMUM
FLAMMABILITY RATING NOT RATED
TEMP RATING 93.3 DEG CELSIUS MAXIMUM
INSULATION THICKNESS 0.500 INCHES NOMINAL
INSIDE DIAMETER 1.125 INCHES NOMINAL
LENGTH 72.000 INCHES NOMINAL
DESIGN FORM FULL ROUND
NONDEFINITIVE SPEC/STD DATA 1 TYPE

Restrictions/Controls & Freight Information | NSN 5640-00-690-2768

Category Code Description
Hazardous Material Indicator CodeYInformation is in the Hazardous Materials Information System (HMIS)
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