NSN 5640-00-267-6768

Part Details | THERMAL INSULATION BLOCK

5640-00-267-6768 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: ASTM C612, HHI564, HH-I-564, HHI564 FM1CLD, HH-I-564 FM1CLD, DE10522004349428PIECE 10, DE1052-200-4349428-PIECE 10, 5640-00-267-6768, 00-267-6768, 5640002676768, 002676768

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56JAN 01, 196300-267-676815117 ( INSULATION BLOCK, THERMAL )
REFERENCE DRAWINGS & PICTURES

BUTT JOINT

BUTT JOINT

BUTT JOINT

Cross Reference | NSN 5640-00-267-6768
Part Number Cage Code Manufacturer
ASTM C61281346AMERICAN SOCIETY FOR TESTING ANDMATERIALS
HH-I-56481348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
HH-I-564 FM1CLD80244GENERAL SERVICES ADMINISTRATIONFEDERAL SUPPLY SERVICE
DE1052-200-4349428-PIECE 1081994PHILADELPHIA NAVAL SHIPYARD
Technical Data | NSN 5640-00-267-6768
Characteristic Specifications
OVERALL THICKNESS1.750 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
COVERAGE WIDTH23.750 INCHES MINIMUM AND 24.250 INCHES MAXIMUM
OVERALL WIDTH23.750 INCHES MINIMUM AND 24.250 INCHES MAXIMUM
COVERAGE LENGTH35.750 INCHES MINIMUM AND 36.250 INCHES MAXIMUM
OVERALL LENGTH35.750 INCHES MINIMUM AND 36.250 INCHES MAXIMUM
MAXIMUM THERMAL CONDUCTIVITY0.80 AT 800 DEG F MEAN TEMP
LONG EDGE JOINT STYLE BUTT JOINT
SHORT EDGE JOINT STYLE BUTT JOINT
FLAMEPROOF FEATURE INCLUDED
WATER REPELLENT COATED SURFACE NOT PROVIDED
ONE SIDE DECORATION PROVISION NOT PROVIDED
TEMP RATING1500.0 DEG FAHRENHEIT
DENSITY RATING25.0 POUNDS PER CUBIC FOOT
NONDEFINITIVE SPEC/STD DATA1 FORM AND D CLASS
DEPARTURE FROM CITED DESIGNATORBDBQ,ABMK