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National Stock Number:
4720-00-289-4556
Federal Supply Class:
4720
National Item Identification Number:
002894556
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:
| 235-1057-22 | 51647 | SHAY INDUSTRIES | | 235-1057-22 | 70898 | BEECHCRAFT CORPORATION | | CATS12-97-4 | 21868 | HBD INDUSTRIES, INC | | 3-1665-24-97-4 | 70628 | ARROWHEAD PRODUCTS CORP | | 3-1665-24-97-9 | 70628 | ARROWHEAD PRODUCTS CORP | | 235-1057-22 | 7EK50 | TEXTRON AVIATION INC | | NW2W2S12-97-4 | 05399 | BEMCO, INC |
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Techincal Specification:
| MATERIAL | STEEL AND | | COPPER ALLOY 1ST PLY | | FIBERGLASS AND | | RUBBER CHLOROPRENE CLASS CR 2ND PLY | | FIBERGLASS 3RD PLY | | STYLE DESIGNATOR | HELICALLY WOUND CONTINOUS WIRE SUPPORTED | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | INSIDE DIAMETER | 3.000 INCHES NOMINAL FIRST END | | MEASURING METHOD AND LENGTH | 24.250 INCHES NOMINAL OVERALL | | CONNECTION TYPE | SOFT FIRST END | | CONNECTION STYLE | ROUND FIRST END | | END INSIDE DIAMETER | 3.120 INCHES NOMINAL FIRST END | | END OVERALL LENGTH | 1.000 INCHES NOMINAL FIRST END | | MINIMUM INSIDE BENDING RADIUS | 0.750 INCHES | | MAXIMUM OPERATING PRESSURE | 26.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | OZONE RESISTANT |
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