4720-01-251-3106

Find complete technical information, availability, and procurement data for: 4720-01-251-3106
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-251-3106

Item Name Code

20311

Assigment Date

03/17/1987 (39 years ago)

3b 1st end thread class, right-hand 1st end thread direction, 0.250 inches minimum inside diameter, -65.0 fahrenheit and 275.0 fahrenheit single response temp rating, 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: 3b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.250 inches minimum
Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit single response
Outside Diameter: 0.550 inches maximum
Minimum Inside Bending Radius: 1.000 inches
Angle Between Rigid Elbow Fittings In Deg: 45.0
Connection Style: swivel nut flare 1st end
End Connection Design: elbow 1st end
Connection Type: threaded internal tube 1st end
Burst Test Pressure: 350.0 pounds per square inch
Layer Composition And Location: outer layer braided polyamide cord
Maximum Operating Pressure: 100.0 pounds per square inch
Nominal Thread Size: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 200.0 pounds per square inch
Flow Angle: 90.0 degrees 1st end
Inside Surface Condition: convoluted
Measuring Method And Length: 13.750 inches nominal overall
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
110574-001	Nonmetallic Hose Assembly
510202B0136-045	Nonmetallic Hose Assembly
717801980-001	Nonmetallic Hose Assembly
96003-001	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-251-3106?

The FSCG of the NSN 4720-01-251-3106 is 4720

Does NSN 4720-01-251-3106 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4720-01-251-3106 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-251-3106 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 4720-01-251-3106 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Mar 17, 1987