4720-00-640-6323

Find complete technical information, availability, and procurement data for: 4720-00-640-6323
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-640-6323

Item Name Code

20311

Assigment Date

01/01/1961 (65 years ago)

round cross-sectional shape style, 0.344 inches nominal inside diameter, 3b 1st end thread class, -40.0 fahrenheit and 300.0 fahrenheit single response temp rating, right-hand 1st 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: 3b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.344 inches nominal
Temp Rating: -40.0 fahrenheit and 300.0 fahrenheit single response
Outside Diameter: 0.547 inches nominal
Minimum Inside Bending Radius: 2.500 inches
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Features Provided: electrostatic discharge capability
Burst Test Pressure: 6000.0 pounds per square inch
Layer Composition And Location: 1st layer braided corrosion resistant steel wire, partial coverage and outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 1000.0 pounds per square inch
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 3000.0 pounds per square inch
Outer Covering Environmental Protection: corrosion resistant and fire resistant
Inside Surface Condition: smooth
Measuring Method And Length: 13.000 inches nominal working
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: unf 1st end
Nondefinitive Spec/Std Data: 6 size

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-00-014-8267	No Name Available	03/18/1966

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
123P10720-607	Nonmetallic Hose Assembly
156001-6D-0130	Nonmetallic Hose Assembly
36B0100006D0130	Nonmetallic Hose Assembly
601000-6D0130	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-640-6323?

The FSCG of the NSN 4720-00-640-6323 is 4720

Does the NSN 4720-00-640-6323 have a Schedule B code assigned?

Yes, the Schedule B code is 7306901000

Does NSN 4720-00-640-6323 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 4720-00-640-6323 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-00-640-6323 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 4720-00-640-6323 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961