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National Stock Number:
4720-01-365-2921
Federal Supply Class:
4720
National Item Identification Number:
013652921
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:
| BACD40B16-80-3-10 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | FIBERGLASS AND | | COTTON 1ST PLY | | STEEL CORROSION RESISTING REINFORCING WIRE | | FIBERGLASS AND | | COTTON COVER | | STYLE DESIGNATOR | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | INSIDE DIAMETER | 4.000 INCHES NOMINAL FIRST END | | MEASURING METHOD AND LENGTH | 20.000 INCHES NOMINAL OVERALL | | CONNECTION TYPE | SOFT BOTH ENDS | | CONNECTION STYLE | ROUND BOTH ENDS | | END INSIDE DIAMETER | 4.000 INCHES NOMINAL BOTH ENDS | | END OVERALL LENGTH | 0.750 INCHES NOMINAL BOTH ENDS | | MAXIMUM OPERATING PRESSURE | 4.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | TYPE 1,GRADE B,CLASS 2,COLD AIR DUCT |
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