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National Stock Number:
4720-01-091-2848
Federal Supply Class:
4720
National Item Identification Number:
010912848
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:
| AD777B28-14 | 21868 | HBD INDUSTRIES, INC |
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Techincal Specification:
| MATERIAL | PLASTIC POLYAMIDE AND | | RUBBER SILICONE CLASS Q SINGLE PLY | | STYLE DESIGNATOR | BOX SECTION | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | INSIDE DIAMETER | 7.000 INCHES NOMINAL FIRST END | | WALL THICKNESS | 0.045 INCHES NOMINAL | | MEASURING METHOD AND LENGTH | 3.500 INCHES NOMINAL OVERALL | | CONNECTION TYPE | PLAIN BOTH ENDS | | MAXIMUM OPERATING PRESSURE | 10.0 POUNDS PER SQUARE INCH |
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