NSN 5640-00-171-5979

Part Details | THERMAL INSULATION SLEEVING

5640-00-171-5979 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.

Alternate Parts: HH1523CLASS2, HHI523, 5640-00-171-5979, 00-171-5979, 5640001715979, 001715979

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56JAN 01, 196100-171-597913289 ( INSULATION SLEEVING, THERMAL )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5640-00-171-5979
Part Number Cage Code Manufacturer
HH1523CLASS281348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
HHI52381348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 5640-00-171-5979
Characteristic Specifications
LAYER QUANTITY1
MATERIAL CALCIUM SILICATE
FABRICATION METHODM ANY ACCEPTABLE
JACKET MATERIAL COTTON SHEETING
TEMP RATING643.3 DEG CELSIUS MAXIMUM
INSULATION THICKNESS1.500 INCHES NOMINAL
INSIDE DIAMETER1.900 INCHES NOMINAL
LENGTH36.000 INCHES NOMINAL
INSTALLATION FURNISHED ITEMS ATTACHING BANDS
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A CLASS