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National Stock Number:
4720-01-421-5254
Federal Supply Class:
4720
National Item Identification Number:
014215254
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:
| 4D3 | 43999 | THE BOEING COMPANY | | 4D3-0112-0408 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| END INSIDE DIAMETER | 1.750 INCHES NOMINAL BOTH ENDS | | CONNECTION STYLE | ROUND BOTH ENDS | | CONNECTION TYPE | PREFORMED BOTH ENDS | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | END OVERALL LENGTH | 0.875 INCHES NOMINAL BOTH ENDS | | INSIDE DIAMETER | 1.750 INCHES NOMINAL FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | ECC-128 MFR REF SINGLE MATERIAL RESPONSE SECOND PLY | | MATERIAL DOCUMENT AND CLASSIFICATION | ECC-164 MFR REF 1ST MATERIAL RESPONSE AND ZZ-R-765,CL3A FED SPEC 2ND MATERIAL RESPONSE FOURTH PLY | | MATERIAL DOCUMENT AND CLASSIFICATION | ECC-122 MFR REF SINGLE MATERIAL RESPONSE FIRST PLY | | MATERIAL DOCUMENT AND CLASSIFICATION | ECC-164 MFR REF 1ST MATERIAL RESPONSE AND ZZ-R-765,CL3A FED SPEC 2ND MATERIAL RESPONSE THIRD PLY | | MATERIAL | FIBERGLASS AND RUBBER SILICONE CLASS Q FOURTH PLY | | MATERIAL | FIBERGLASS AND RUBBER SILICONE CLASS Q THIRD PLY | | MATERIAL | FIBERGLASS FIRST PLY | | MATERIAL | FIBERGLASS SECOND PLY | | MEASURING METHOD AND LENGTH | 4.500 INCHES NOMINAL OVERALL | | OPERATING PRESSURE | 65.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM | | SPECIAL FEATURES | BOTH ENDS ARE PRECOMPRESSED TO 0.065 IN WALL | | STYLE DESIGNATOR | SLEEVE SECTION |
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