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National Stock Number:
4720-00-475-3907
Federal Supply Class:
4720
National Item Identification Number:
004753907
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:
| CB030-3.25-12 | 70628 | ARROWHEAD PRODUCTS CORP | | GS10A | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | LAET-13-12 | 21868 | HBD INDUSTRIES, INC | | GS10A-13-6 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | KNF-5-12-N-0 | 75345 | KIRKHILL, INC. |
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Techincal Specification:
| MATERIAL | FIBERGLASS AND | | RUBBER CHLOROPRENE CLASS CR 1ST PLY | | FIBERGLASS AND | | RUBBER CHLOROPRENE CLASS CR 2ND PLY | | RUBBER CHLOROPRENE CLASS CR 3RD PLY | | STYLE DESIGNATOR | SLEEVE SECTION | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | INSIDE DIAMETER | 3.250 INCHES NOMINAL FIRST END | | WALL THICKNESS | 0.025 INCHES MINIMUM AND | | 0.040 INCHES MAXIMUM | | MEASURING METHOD AND LENGTH | 3.000 INCHES NOMINAL OVERALL | | CONNECTION TYPE | PLAIN BOTH ENDS | | MAXIMUM OPERATING PRESSURE | 20.0 POUNDS PER SQUARE INCH |
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