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National Stock Number:
4720-00-163-8422
Federal Supply Class:
4720
National Item Identification Number:
001638422
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:
| 11677625-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| MATERIAL | RUBBER CHLOROPRENE CLASS CR 1ST PLY | | RUBBER BUTYL 2ND PLY | | PLASTIC POLYAMIDE AND | | RUBBER BUTYL 3RD PLY | | RUBBER CHLOROPRENE CLASS CR 4TH PLY | | STEEL REINFORCING WIRE | | STYLE DESIGNATOR | HELICALLY WOUND CONTINOUS WIRE SUPPORTED | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | INSIDE DIAMETER | 4.000 INCHES NOMINAL FIRST END | | MEASURING METHOD AND LENGTH | 15.500 INCHES NOMINAL OVERALL | | CONNECTION TYPE | PLAIN BOTH ENDS | | MINIMUM INSIDE BENDING RADIUS | 16.500 INCHES | | MAXIMUM OPERATING PRESSURE | 20.0 POUNDS PER SQUARE INCH |
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