4720-01-023-6647

Find complete technical information, availability, and procurement data for: 4720-01-023-6647
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-023-6647

Item Name Code

20311

Assigment Date

06/24/1976 (50 years ago)

3b 1st end thread class, round cross-sectional shape style, right-hand 1st end thread direction, 3b 2nd end thread class, right-hand 2nd 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 Class: 3b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.406 inches nominal
Temp Rating: -65.0 fahrenheit and 450.0 fahrenheit single response
Outside Diameter: 0.500 inches nominal
Minimum Inside Bending Radius: 4.625 inches
End Item Identification: engine, aircraft t-58
Connection Style: swivel nut, flareless 1st end
Connection Style: swivel nut, flareless 2nd end
End Connection Design: elbow 2nd end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Features Provided: electrostatic discharge capability and nuts drilled for lockwire
Burst Test Pressure: 6000.0 pounds per square inch
Layer Composition And Location: outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 1500.0 pounds per square inch
Nominal Thread Size: 0.750 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 12.0 degrees 1st end
Seat Angle: 12.0 degrees 2nd end
Hydrostatic Test Pressure: 3000.0 pounds per square inch
Flow Angle: 45.0 degrees 2nd end
Outer Covering Environmental Protection: corrosion resistant
Vacuum In Torr: 50.8
Criticality Code Justification: feat
Inside Surface Condition: smooth
Measuring Method And Length: 8.370 inches minimum working and 8.620 inches maximum working
Special Features: weapon system essential
Thread Series Designator: unjf 2nd end
Thread Series Designator: unjf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-00-601-2092	No Name Available	01/01/2000

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
3013T72	Nonmetallic Hose Assembly
3013T72P02	Nonmetallic Hose Assembly
3013T72P03	Nonmetallic Hose Assembly
95992	Nonmetallic Hose Assembly
R50305CC-8-0084	Nonmetallic Hose Assembly
R9805CC-8-8.563	Nonmetallic Hose Assembly
R9805CC0808.563	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-023-6647?

The FSCG of the NSN 4720-01-023-6647 is 4720

Does NSN 4720-01-023-6647 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 4720-01-023-6647 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-023-6647 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 4720-01-023-6647 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Jun 24, 1976