4720-00-847-3090, HOSE,AIR DUCT

National Stock Number:
4720-00-847-3090

Federal Supply Class:
4720

National Item Identification Number:
008473090

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:

BACD40A	81205	THE BOEING COMPANY
BACD40A05-009-6A2	81205	THE BOEING COMPANY
BACD40A5-9-6A2	81205	THE BOEING COMPANY

Techincal Specification:

END INSIDE DIAMETER	1.250 INCHES NOMINAL BOTH ENDS
CONNECTION STYLE	ROUND BOTH ENDS
CONNECTION TYPE	SOFT BOTH ENDS
CROSS-SECTIONAL SHAPE STYLE	ROUND
END OVERALL LENGTH	1.500 INCHES NOMINAL BOTH ENDS
INSIDE DIAMETER	1.250 INCHES NOMINAL FIRST END
OPERATING PRESSURE	4.5 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-Y-1140 MIL SPEC SINGLE MATERIAL RESPONSE REINFORCING CORD
MATERIAL	COTTON AND FIBERGLASS FIRST PLY
MATERIAL	COTTON AND FIBERGLASS THIRD PLY
MATERIAL	FIBERGLASS REINFORCING CORD
MATERIAL	STEEL SECOND PLY
MEASURING METHOD AND LENGTH	48.500 INCHES NOMINAL OVERALL
MINIMUM INSIDE BENDING RADIUS	1.250 INCHES
NONDEFINITIVE SPEC/STD DATA	2 CLASS AND B GRADE AND 1 TYPE
SPECIFICATION/STANDARD DATA	81205-BACD40A MANUFACTURERS STANDARD
WALL THICKNESS	0.010 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
STYLE DESIGNATOR	HELICALLY WOUND CONTINOUS WIRE SUPPORTED

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