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National Stock Number:
4720-00-077-1948
Federal Supply Class:
4720
National Item Identification Number:
000771948
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:
| 8711053 THRU 8711056 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 8711055 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 8711055-22 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| CONNECTION TYPE | PLAIN BOTH ENDS | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | FEATURES PROVIDED | OZONE RESISTANT AND FUNGUS RESISTANT TREATMENT | | INSIDE DIAMETER | 3.000 INCHES NOMINAL FIRST END | | MATERIAL | RUBBER SILICONE CLASS Q SINGLE PLY | | MEASURING METHOD AND LENGTH | 22.000 INCHES NOMINAL OVERALL | | STYLE DESIGNATOR | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
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