4720-00-833-1639

Find complete technical information, availability, and procurement data for: 4720-00-833-1639
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-833-1639

Item Name Code

20311

Assigment Date

01/01/1962 (64 years ago)

0.671 inches nominal outside diameter, 3b 1st end thread class, 0.312 inches nominal inside diameter, round cross-sectional shape style, 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: 0.312 inches nominal
Outside Diameter: 0.671 inches nominal
Minimum Inside Bending Radius: 4.000 inches
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Features Provided: reusable end fittings
Burst Test Pressure: 9000.0 pounds per square inch
Layer Composition And Location: 1st layer braided cotton cord and 2nd layer braided wire and outer layer rubber impregnated braided cotton cord
Maximum Operating Pressure: 2000.0 pounds per square inch
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 4500.0 pounds per square inch
Inside Surface Condition: smooth
Measuring Method And Length: 12.500 inches nominal working
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: unjf 1st end
Specification/Standard Data: 96906-ms28741 government standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-00-806-2183	No Name Available	12/01/1985

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
111417-6S-0124	Nonmetallic Hose Assembly
AN6271-6-12 1-2	Nonmetallic Hose Assembly
MS28741-6-0124	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-833-1639?

The FSCG of the NSN 4720-00-833-1639 is 4720

Does the NSN 4720-00-833-1639 have a Schedule B code assigned?

Yes, the Schedule B code is 4006900000

Does NSN 4720-00-833-1639 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 4720-00-833-1639 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-00-833-1639 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 4720-00-833-1639 was assigned to the Federal Catalog?

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