4720-00-851-7125

Find complete technical information, availability, and procurement data for: 4720-00-851-7125
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-851-7125

Item Name Code

20311

Assigment Date

12/01/1975 (50 years ago)

0.188 inches nominal 2nd end flange thickness, 0.188 inches nominal 1st end flange thickness, 1.657 inches nominal outside diameter, round cross-sectional shape style, 1.375 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
Inside Diameter: 1.375 inches nominal
Flange Thickness: 0.188 inches nominal 1st end
Flange Thickness: 0.188 inches nominal 2nd end
Outside Diameter: 1.657 inches nominal
Minimum Inside Bending Radius: 11.000 inches
Center To Center Distance Between Bolt Holes Along Width: 1.812 inches nominal 1st end
Center To Center Distance Between Bolt Holes Along Width: 1.812 inches nominal 2nd end
Center To Center Distance Between Bolt Holes Along Length: 1.812 inches nominal 1st end
Center To Center Distance Between Bolt Holes Along Length: 1.812 inches nominal 2nd end
Bolt Hole Quantity: 4 1st end
Bolt Hole Quantity: 4 2nd end
Flange Length: 2.375 inches nominal 1st end
Flange Length: 2.375 inches nominal 2nd end
Flange Width: 2.375 inches nominal 1st end
Flange Width: 2.375 inches nominal 2nd end
Connection Style: raised swivel 1st end
Connection Style: raised swivel 2nd end
Bolt Hole Diameter: 0.266 inches nominal 1st end
Bolt Hole Diameter: 0.266 inches nominal 2nd end
Raised Face Height: 0.015 inches nominal 1st end
Raised Face Height: 0.015 inches nominal 2nd end
Raised Face Diameter: 2.125 inches nominal 1st end
Raised Face Diameter: 2.125 inches nominal 2nd end
End Flange Construction: solid 1st end
End Flange Construction: solid 2nd end
End Connection Design: elbow 2nd end
End Connection Design: straight 1st end
Connection Type: raised face flange 1st end
Connection Type: raised face flange 2nd end
Features Provided: reusable end fittings
Burst Test Pressure: 720.0 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: 120.0 pounds per square inch
Hydrostatic Test Pressure: 240.0 pounds per square inch
Flow Angle: 90.0 degrees 2nd end
Inside Surface Condition: smooth
Measuring Method And Length: 16.250 inches nominal working
Flange Style: rectangular (includes square) 1st end
Flange Style: rectangular (includes square) 2nd end
Media For Which Designed: fuel/oil, hydrocarbon single response

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
10-20051-553	Nonmetallic Hose Assembly
147-51034-05	Nonmetallic Hose Assembly
647029-4	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-851-7125?

The FSCG of the NSN 4720-00-851-7125 is 4720

Does NSN 4720-00-851-7125 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 4720-00-851-7125 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-851-7125 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 4720-00-851-7125 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Dec 1, 1975