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National Stock Number:
4720-01-009-9075
Federal Supply Class:
4720
National Item Identification Number:
010099075
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:
| AD778 | 21868 | HBD INDUSTRIES, INC | | AD778-11A17 | 21868 | HBD INDUSTRIES, INC | | AD778-11A17 | 98891 | HBD INDUSTRIES, INC | | STSPH100-11A17 | 06887 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| END INSIDE DIAMETER | 2.750 INCHES NOMINAL FIRST END | | CONNECTION TYPE | SOFT FIRST END | | CONNECTION STYLE | ROUND FIRST END | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | END OVERALL LENGTH | 1.500 INCHES NOMINAL FIRST END | | FEATURES PROVIDED | OZONE RESISTANT | | INSIDE DIAMETER | 2.750 INCHES NOMINAL FIRST END | | MATERIAL | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR 1ST PLY | | MATERIAL | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR 2ND PLY | | MATERIAL | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR 4TH PLY | | MATERIAL | STEEL 3RD PLY | | MAXIMUM OPERATING PRESSURE | 35.0 POUNDS PER SQUARE INCH | | MEASURING METHOD AND LENGTH | 17.000 INCHES NOMINAL OVERALL | | MINIMUM INSIDE BENDING RADIUS | 1.375 INCHES | | WALL THICKNESS | 0.075 INCHES MAXIMUM | | STYLE DESIGNATOR | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
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