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National Stock Number:
4720-00-788-1211
Federal Supply Class:
4720
National Item Identification Number:
007881211
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:
| 9188014 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| END INSIDE LENGTH | 3.910 INCHES NOMINAL SECOND END | | END INSIDE LENGTH | 4.000 INCHES NOMINAL FIRST END | | END INSIDE WIDTH | 3.000 INCHES NOMINAL FIRST END | | END INSIDE WIDTH | 3.910 INCHES NOMINAL SECOND END | | CONNECTION TYPE | PREFORMED FIRST END | | CONNECTION TYPE | PREFORMED SECOND END | | CONNECTION STYLE | RECTANGULAR SECOND END | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | END OVERALL LENGTH | 0.750 INCHES NOMINAL FIRST END | | END OVERALL LENGTH | 0.750 INCHES NOMINAL SECOND END | | FEATURES PROVIDED | OZONE RESISTANT | | HOSE WEIGHT | 9.600 OUNCES PER LINEAR FOOT | | INSIDE DIAMETER | 4.000 INCHES NOMINAL FIRST END | | MATERIAL | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR ALL PLIES | | MATERIAL | STEEL REINFORCING WIRE | | MAXIMUM OPERATING PRESSURE | 17.0 POUNDS PER SQUARE INCH | | MEASURING METHOD AND LENGTH | 16.000 INCHES NOMINAL OVERALL | | MINIMUM INSIDE BENDING RADIUS | 2.000 INCHES | | WALL THICKNESS | 0.030 INCHES NOMINAL | | STYLE DESIGNATOR | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
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