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National Stock Number:
4720-00-007-1411
Federal Supply Class:
4720
National Item Identification Number:
000071411
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:
| D4781 | 75345 | KIRKHILL, INC. | | GD515M1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | FIBERGLASS AND | | RUBBER SILICONE CLASS Q SINGLE PLY | | STYLE DESIGNATOR | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | INSIDE WIDTH | 3.438 INCHES NOMINAL FIRST END | | INSIDE LENGTH | 6.625 INCHES NOMINAL FIRST END | | WALL THICKNESS | 0.040 INCHES NOMINAL | | MEASURING METHOD AND LENGTH | 2.562 INCHES NOMINAL OVERALL | | CONNECTION TYPE | PREFORMED FIRST END | | CONNECTION STYLE | RECTANGULAR FIRST END | | END INSIDE WIDTH | 3.438 INCHES NOMINAL FIRST END | | END INSIDE LENGTH | 6.625 INCHES NOMINAL FIRST END | | END OVERALL LENGTH | 0.750 INCHES NOMINAL FIRST END | | MAXIMUM OPERATING PRESSURE | 25.0 POUNDS PER SQUARE INCH |
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