4720-00-674-9139

Find complete technical information, availability, and procurement data for: 4720-00-674-9139
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-674-9139

Item Name Code

20311

Assigment Date

01/01/1963 (63 years ago)

round cross-sectional shape style, right-hand 2nd end thread direction, right-hand 1st end thread direction, 1.375 inches nominal inside diameter, 3b 1st end thread class

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
Thread Direction: right-hand 2nd end
Inside Diameter: 1.375 inches nominal
Temp Rating: -65.0 fahrenheit and 250.0 fahrenheit single response
Flange Thickness: 0.312 inches nominal 2nd end
Outside Diameter: 1.750 inches nominal
Minimum Inside Bending Radius: 11.000 inches
Exterior Color: black
Angle Between Rigid Elbow Fittings In Deg: 270.0
Center To Center Distance Between Bolt Holes Along Width: 2.000 inches nominal 2nd end
Center To Center Distance Between Bolt Holes Along Length: 2.000 inches nominal 2nd end
Bolt Hole Quantity: 4 2nd end
Flange Length: 2.562 inches nominal 2nd end
Flange Width: 2.562 inches nominal 2nd end
Connection Style: swivel nut flare 1st end
Connection Style: plain 2nd end
Bolt Hole Diameter: 0.344 inches nominal 2nd end
End Flange Construction: solid 2nd end
End Connection Design: elbow 1st end
End Connection Design: elbow 2nd end
Connection Type: plain face flange 2nd end
Connection Type: threaded internal tube 1st end
Thread Quantity Per Inch: 12 1st end
Burst Test Pressure: 2000.0 pounds per square inch
Layer Composition And Location: 1st layer braided cotton cord and 2nd layer braided steel wire and outer layer rubber impregnated braided cotton cord
Maximum Operating Pressure: 50.0 pounds per square inch
Nominal Thread Size: 1.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 600.0 pounds per square inch
Flow Angle: 20.0 degrees 2nd end
Flow Angle: 45.0 degrees 1st end
Outer Covering Environmental Protection: alcohol resistant and cold resistant and oil resistant and water resistant
Inside Surface Condition: smooth
Measuring Method And Length: 32.625 inches nominal working
Flange Style: rectangular (includes square) 2nd end
Special Features: fittings color coded mil-f-5509
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: unj 1st end

Replaces National Stock Numbers

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

NSN	Name	Date
4720-00-724-0584	No Name Available	02/23/1972

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
131038-24D-0325	Nonmetallic Hose Assembly
156715K0325D270	Nonmetallic Hose Assembly
156715K325D270	Nonmetallic Hose Assembly
270-624189P0325	Nonmetallic Hose Assembly
4720PL0811454	Nonmetallic Hose Assembly
755238	Nonmetallic Hose Assembly
755238-1	Nonmetallic Hose Assembly
S36B90136-0325	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-674-9139?

The FSCG of the NSN 4720-00-674-9139 is 4720

Does the NSN 4720-00-674-9139 have a Schedule B code assigned?

Yes, the Schedule B code is 4009320050

Does NSN 4720-00-674-9139 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 4720-00-674-9139 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-674-9139 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 4720-00-674-9139 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963