NSN 5640-01-237-9839

Part Details | THERMAL INSULATION BLOCK

5640-01-237-9839 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.

Alternate Parts: HHI558, HH-I-558, HHI558 FMACL2, HH-I-558 FMACL2, 83370402, 8337040-2, 83370402, 8337040-2, 5640-01-237-9839, 01-237-9839, 5640012379839, 012379839

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56AUG 08, 198601-237-983915117 ( INSULATION BLOCK, THERMAL )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5640-01-237-9839
Part Number Cage Code Manufacturer
HH-I-55881348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
HH-I-558 FMACL280244GENERAL SERVICES ADMINISTRATIONFEDERAL SUPPLY SERVICE
8337040-298749SACRAMENTO AIR LOGISTICS CENTERSM-ALC/LIIL
8337040-298752WARNER ROBINS AIR LOGISTICS CENTER
Technical Data | NSN 5640-01-237-9839
Characteristic Specifications
OVERALL THICKNESS1.000 INCHES NOMINAL
COVERAGE WIDTH24.000 INCHES NOMINAL
OVERALL WIDTH24.000 INCHES NOMINAL
COVERAGE LENGTH19.000 INCHES NOMINAL
OVERALL LENGTH19.000 INCHES NOMINAL
FLAMEPROOF FEATURE INCLUDED
WATER REPELLENT COATED SURFACE NOT PROVIDED
ONE SIDE DECORATION PROVISION NOT PROVIDED
TEMP RATING400.0 DEG FAHRENHEIT
DENSITY RATING6.0 POUNDS PER CUBIC FOOT