5970-01-355-3308 INSULATION SLEEVING,ELECTRICAL,S Index 4720-01-355-3310 HOSE,AIR DUCT,AIR BREATHING

National Stock Number:
4720-01-355-3309

Federal Supply Class:
4720

National Item Identification Number:
013553309

Description:
HOSE,AIR DUCT

Detail:
A flexible, tubular item of light wall construction. It must have single or multiple layers of nonmetallic material, but may contain metal wire reinforcement, foil type liner, and/or woven or braided cover. It is designed to convey under low pressure gaseous material, such as air and fumes, and light weight solid materials, such as dust, powders, and fibers. For items with couplings, see HOSE ASSEMBLY, AIR DUCT. For items of sleeve section design rated for high pressure use, see SLEEVE, SEAL, COUPLING. Excludes hose, nonmetallic.


Manufacturer Information:
1255350719200US ARMY ARDEC RDECOM


Techincal Specification:
END INSIDE WIDTH1.750 INCHES NOMINAL BOTH ENDS
END INSIDE LENGTH9.500 INCHES NOMINAL BOTH ENDS
CONNECTION TYPEPREFORMED FIRST END
CONNECTION TYPEPREFORMED SECOND END
CONNECTION STYLERECTANGULAR BOTH ENDS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
END OVERALL LENGTH7.500 INCHES NOMINAL BOTH ENDS
INSIDE DIAMETER4.250 INCHES NOMINAL FIRST END
INSIDE LENGTH4.250 INCHES NOMINAL FIRST END
INSIDE WIDTH2.250 INCHES NOMINAL FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D1248 MFR REF ALL MATERIAL RESPONSES ALL PLIES
MATERIALPLASTIC POLYETHYLENE ALL PLIES
MEASURING METHOD AND LENGTH76.000 INCHES NOMINAL OVERALL
SPECIAL FEATURESWITH MOUNTING PLATE,9MOUNTING HOLES,.312 IN DIAMETER;FIRST END OF DUCT HAS 3 OPENING,SECOND END HAS 2 OPENING.
STYLE DESIGNATORSLEEVE SECTION
WALL THICKNESS0.125 INCHES NOMINAL


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