4720-00-857-5660

Find complete technical information, availability, and procurement data for: 4720-00-857-5660
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-857-5660

Item Name Code

20311

Assigment Date

01/01/1962 (64 years ago)

0.313 inches nominal inside diameter, round cross-sectional shape style, -65.0 fahrenheit and 450.0 fahrenheit single response temp rating, 3b 1st end thread class, 3b 2nd end thread class

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 Class: 3b 2nd end
Inside Diameter: 0.313 inches nominal
Temp Rating: -65.0 fahrenheit and 450.0 fahrenheit single response
Outside Diameter: 0.438 inches nominal
Minimum Inside Bending Radius: 4.000 inches
Connection Style: swivel nut flare 2nd end
End Fitting Component And Material: complete fitting steel corrosion resisting all ends
Fitting Component And Surface Treatment: complete fitting passivate 1st end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Thread Quantity Per Inch: 18 1st end
Thread Quantity Per Inch: 18 2nd end
Burst Test Pressure: 9000.0 pounds per square inch
Layer Composition And Location: outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 1500.0 pounds per square inch
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Hydrostatic Test Pressure: 3000.0 pounds per square inch
Vacuum In Torr: 50.8
Inside Surface Condition: smooth
Special Features: inner conveying tube material-plastic, polytetrafluoroethylene
Thread Series Designator: unjf 2nd end
Thread Series Designator: unjf 1st 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
6820344-06220	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-857-5660?

The FSCG of the NSN 4720-00-857-5660 is 4720

Does NSN 4720-00-857-5660 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 4720-00-857-5660 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-00-857-5660 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 4720-00-857-5660 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962