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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.
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Manufacturer Information:
| 12553507 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| MATERIAL | PLASTIC POLYETHYLENE ALL PLIES | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D1248 MFR REF ALL MATERIAL RESPONSES ALL PLIES | | STYLE DESIGNATOR | SLEEVE SECTION | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | INSIDE DIAMETER | 4.250 INCHES NOMINAL FIRST END | | INSIDE WIDTH | 2.250 INCHES NOMINAL FIRST END | | INSIDE LENGTH | 4.250 INCHES NOMINAL FIRST END | | WALL THICKNESS | 0.125 INCHES NOMINAL | | MEASURING METHOD AND LENGTH | 76.000 INCHES NOMINAL OVERALL | | CONNECTION TYPE | PREFORMED FIRST END | | PREFORMED SECOND END | | CONNECTION STYLE | RECTANGULAR BOTH ENDS | | END INSIDE WIDTH | 1.750 INCHES NOMINAL BOTH ENDS | | END INSIDE LENGTH | 9.500 INCHES NOMINAL BOTH ENDS | | END OVERALL LENGTH | 7.500 INCHES NOMINAL BOTH ENDS | | SPECIAL FEATURES | WITH MOUNTING PLATE,9MOUNTING HOLES,.312 IN DIAMETER;FIRST END OF DUCT HAS 3 OPENING,SECOND END HAS 2 OPENING. |
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