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National Stock Number:
4720-01-197-6933
Federal Supply Class:
4720
National Item Identification Number:
011976933
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:
| 5188864 | 53711 | NAVAL SEA SYSTEMS COMMAND | | MIL-H-62028 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| END INSIDE DIAMETER | 4.000 INCHES NOMINAL FIRST END | | END INSIDE DIAMETER | 3.000 INCHES NOMINAL SECOND END | | CONNECTION STYLE | ROUND BOTH ENDS | | CONNECTION TYPE | SOFT FIRST END | | CONNECTION TYPE | SOFT SECOND END | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | END OVERALL LENGTH | 2.000 INCHES NOMINAL FIRST END | | END OVERALL LENGTH | 2.000 INCHES NOMINAL SECOND END | | FEATURES PROVIDED | OZONE RESISTANT | | INSIDE DIAMETER | 4.000 INCHES NOMINAL FIRST END | | MATERIAL | FIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY | | MATERIAL | FIBERGLASS AND RUBBER SILICONE CLASS Q SECOND PLY | | MATERIAL | FIBERGLASS THIRD PLY | | MATERIAL | STEEL AND COPPER REINFORCING WIRE | | MEASURING METHOD AND LENGTH | 53.000 INCHES NOMINAL OVERALL | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 CLASS | | SPECIAL FEATURES | 20.000 INCHES IN FROM FIRST END,HOSE REDUCES TO 3.310 IN. DIA | | SPECIFICATION/STANDARD DATA | 81349-MIL-H-62028 GOVERNMENT SPECIFICATION | | WALL THICKNESS | 0.030 INCHES MINIMUM | | STYLE DESIGNATOR | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
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