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National Stock Number:
4720-00-817-1900
Federal Supply Class:
4720
National Item Identification Number:
008171900
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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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | ROUND | | WALL THICKNESS | 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | HOSE WEIGHT | 0.312 OUNCES PER LINEAR FOOT | | MATERIAL | PLASTIC POLYAMIDE AND RUBBER SILICONE CLASS Q 1ST PLY | | MATERIAL | PLASTIC POLYAMIDE AND RUBBER SILICONE CLASS Q 2ND PLY | | MATERIAL | PLASTIC POLYAMIDE AND RUBBER SILICONE CLASS Q COVER | | FEATURES PROVIDED | OZONE RESISTANT |
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