3120-01-521-9955 BEARING,SLEEVE Index 3110-01-521-9957 BALL,BEARING

National Stock Number:
4720-01-521-9956

Federal Supply Class:
4720

National Item Identification Number:
015219956

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:
AD777B-48-1698891HBD INDUSTRIES, INC


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER12.000 INCHES NOMINAL FIRST END
MATERIALPLASTIC POLYAMIDE 1ST PLY AND RUBBER SILICONE CLASS Q 1ST PLY
PART NAME ASSIGNED BY CONTROLLING AGENCYHOSE-FLEXIBLE AIR DUCT
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING PRESSURE3.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH4.000 INCHES NOMINAL OVERALL
SPECIAL FEATURESSILICONE IMPREGNATED NYLON FABRIC
STYLE DESIGNATORSLEEVE SECTION


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