4720-01-004-2831

Find complete technical information, availability, and procurement data for: 4720-01-004-2831
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-004-2831

Item Name Code

20311

Assigment Date

06/03/1975 (51 years ago)

round cross-sectional shape style, right-hand 1st end thread direction, 2b 1st end thread class, 1a 2nd end thread class, right-hand 2nd end thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: round
Thread Class: 1a 2nd end
Thread Class: 2b 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.500 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 0.800 inches nominal
Minimum Inside Bending Radius: 7.000 inches
Exterior Color: orange
Connection Style: swivel nut flare 1st end
Connection Style: inverted flare 2nd end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: threaded external tube 2nd end
Connection Type: threaded internal tube 1st end
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 14 2nd end
Burst Test Pressure: 8000.0 pounds per square inch
Layer Composition And Location: 1st layer braided synthetic cord and 2nd layer braided synthetic cord and outer layer molded polyurethane
Maximum Operating Pressure: 2000.0 pounds per square inch
Nominal Thread Size: 1.000 inches 2nd end
Nominal Thread Size: 1.062 inches 1st end
Seat Angle: 30.0 degrees 2nd end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 4000.0 pounds per square inch
Inside Surface Condition: smooth
Measuring Method And Length: 27.500 inches nominal overall
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: un 1st end
Thread Series Designator: uns 2nd end

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
SM-B-718778-3	Nonmetallic Hose Assembly

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4720-01-004-2831?

The FSCG of the NSN 4720-01-004-2831 is 4720

Does NSN 4720-01-004-2831 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4720-01-004-2831 contain precious materials?

Precious metal content is unknown

Does NSN 4720-01-004-2831 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4720-01-004-2831 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Tue, Jun 3, 1975