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National Stock Number:
4720-00-279-9756
Federal Supply Class:
4720
National Item Identification Number:
002799756
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:
| BACD40B19-4-6-5 | 82918 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | FIBERGLASS AND | | RUBBER CHLOROPRENE CLASS CR SINGLE PLY | | STYLE DESIGNATOR | FULLY CONVOLUTED | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | INSIDE DIAMETER | 4.750 INCHES NOMINAL FIRST END | | WALL THICKNESS | 0.020 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | MEASURING METHOD AND LENGTH | 4.000 INCHES NOMINAL OVERALL | | CONNECTION TYPE | PREFORMED FIRST END | | CONNECTION STYLE | ROUND FIRST END | | END INSIDE DIAMETER | 4.750 INCHES NOMINAL FIRST END | | END OVERALL LENGTH | 1.500 INCHES NOMINAL FIRST END | | MAXIMUM OPERATING PRESSURE | 12.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | OZONE RESISTANT |
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