3020-00-322-2139 SPROCKET,CONTROL Index 4730-00-322-2143 COUPLING,TUBE

National Stock Number:
4720-00-322-2140

Federal Supply Class:
4720

National Item Identification Number:
003222140

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.


Manufacturer Information:
4720PL08160739009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
5599A10-899135FLEXCO, INC
BE923A10-805399BEMCO, INC
AD734A10-807096BURKE INDUSTRIES PUROSIL DIV
AD777A-10-898891HBD INDUSTRIES, INC
STSPH200A10-898897LOCKHEED MARTIN CORP


Techincal Specification:
CONNECTION TYPEPLAIN BOTH ENDS
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER2.500 INCHES NOMINAL FIRST END
MATERIALRUBBER CHLOROPRENE CLASS CR ALL PLIES
MEASURING METHOD AND LENGTH2.000 INCHES NOMINAL OVERALL
STYLE DESIGNATORSLEEVE SECTION


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