4720-01-339-9759 HOSE,AIR DUCT Index 4720-01-339-9761 HOSE,AIR DUCT

National Stock Number:
4720-01-339-9760

Federal Supply Class:
4720

National Item Identification Number:
013399760

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:
NAS136980205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS137080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1370B07SA01480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
CONNECTION TYPEPLAIN BOTH ENDS
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER1.750 INCHES NOMINAL FIRST END
MATERIALFIBERGLASS AND RUBBER SILICONE CLASS Q 1ST PLY
MATERIALFIBERGLASS AND RUBBER SILICONE CLASS Q 2ND PLY
MATERIALFIBERGLASS AND RUBBER SILICONE CLASS Q REINFORCING CORD
MATERIALSTEEL REINFORCING WIRE
MAXIMUM OPERATING PRESSURE4.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH3.500 INCHES NOMINAL OVERALL
MINIMUM INSIDE BENDING RADIUS1.750 INCHES
WALL THICKNESS0.065 INCHES NOMINAL
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED


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