4720-00-139-5421

Find complete technical information, availability, and procurement data for: 4720-00-139-5421
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-139-5421

Item Name Code

20311

Assigment Date

08/29/1971 (54 years ago)

A length of nonmetallic hose with fittings on one or both ends. For items without fittings, see hose, nonmetallic. Excludes:hose assembly, air duct; and hose assembly, air duct, air breathing.

-40.0 fahrenheit and 200.0 fahrenheit single response temp rating, round cross-sectional shape style, right-hand 1st end thread direction, 2b 1st end thread class, 0.380 inches nominal inside diameter

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: 0.380 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 0.840 inches nominal
Minimum Inside Bending Radius: 5.000 inches
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Burst Test Pressure: 16000.0 pounds per square inch
Layer Composition And Location: 2nd layer braided wire and outer layer molded rubber, synthetic and 1st layer braided wire
Maximum Operating Pressure: 5000.0 pounds per square inch
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 37.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 37.000 inches nominal overall
Media For Which Designed: fuel/oil, hydrocarbon 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
B37405-2	Nonmetallic Hose Assembly
B77405-2	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-139-5421?

The FSCG of the NSN 4720-00-139-5421 is 4720

Does NSN 4720-00-139-5421 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 4720-00-139-5421 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-139-5421 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 4720-00-139-5421 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Aug 29, 1971