4720-00-457-5990

Find complete technical information, availability, and procurement data for: 4720-00-457-5990
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-457-5990

Item Name Code

20311

Assigment Date

09/15/1969 (56 years ago)

-40.0 fahrenheit and 275.0 fahrenheit single response temp rating, 0.187 inches nominal inside diameter, 2b 1st end thread class, right-hand 1st end thread direction, round cross-sectional shape style

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: 2b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.187 inches nominal
Temp Rating: -40.0 fahrenheit and 275.0 fahrenheit single response
Outside Diameter: 0.520 inches nominal
Minimum Inside Bending Radius: 2.000 inches
Exterior Color: natural
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Burst Test Pressure: 12000.0 pounds per square inch
Layer Composition And Location: 2nd layer rubber impregnated braided fabric and 1st layer braided corrosion resistant steel wire, partial coverage and outer layer rubber impregnated braided fabric
Maximum Operating Pressure: 3000.0 pounds per square inch
Nominal Thread Size: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 6000.0 pounds per square inch
Outer Covering Environmental Protection: oil resistant
Inside Surface Condition: smooth
Measuring Method And Length: 12.000 inches nominal working
Media For Which Designed: fuel/oil, hydrocarbon and air and water single response
Thread Series Designator: unf 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
211-319-319-4-12	Nonmetallic Hose Assembly
5503-021	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-457-5990?

The FSCG of the NSN 4720-00-457-5990 is 4720

Does NSN 4720-00-457-5990 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 4720-00-457-5990 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-457-5990 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 4720-00-457-5990 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Sep 15, 1969