4720-00-790-1620

Find complete technical information, availability, and procurement data for: 4720-00-790-1620
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-790-1620

Item Name Code

20311

Assigment Date

01/01/1960 (66 years ago)

round cross-sectional shape style, 0.370 inches nominal 2nd end flange thickness, 0.370 inches nominal 1st end flange thickness, -40.0 fahrenheit and 250.0 fahrenheit single response temp rating, 1.750 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: 1.750 inches nominal
Temp Rating: -40.0 fahrenheit and 250.0 fahrenheit single response
Flange Thickness: 0.370 inches nominal 1st end
Flange Thickness: 0.370 inches nominal 2nd end
Outside Diameter: 2.781 inches nominal
Minimum Inside Bending Radius: 7.000 inches
Flange Outside Diameter: 2.812 inches nominal 2nd end
Flange Outside Diameter: 2.812 inches nominal 1st end
Connection Style: plain w/ gasket groove (sae flanged head) 1st end
Connection Style: plain w/ gasket groove (sae flanged head) 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
End Fitting Component And Material: complete fitting steel all ends
Fitting Component And Surface Treatment: complete fitting cadmium 1st end
Connection Type: plain face flange 1st end
Connection Type: plain face flange 2nd end
Features Provided: electrostatic discharge capability
Burst Test Pressure: 10000.0 pounds per square inch
Layer Composition And Location: 1st layer braided cotton cord and 2nd layer spirally laid steel wire and 3rd layer spirally laid steel wire and 4th layer spirally laid steel wire and 5th layer spirally laid steel wire and outer layer molded rubber
Maximum Operating Pressure: 2500.0 pounds per square inch
Hydrostatic Test Pressure: 5000.0 pounds per square inch
Flow Angle: 90.0 degrees 2nd end
Outer Covering Environmental Protection: abrasion resistant and oil resistant and weatherproof
Inside Surface Condition: smooth
Measuring Method And Length: 31.000 inches nominal working
Flange Style: round w/ out bolt holes 1st end
Flange Style: round w/ out bolt holes 2nd end
Special Features: inner conveying tube material-rubber, chloroprene
Specification/Standard Data: 81349-mil-h-52471 government specification
Nondefinitive Spec/Std Data: c type

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
32SL4-32FC2-32FC2-90-31IN	Nonmetallic Hose Assembly
561795	Nonmetallic Hose Assembly
M52471/3C4030310	Nonmetallic Hose Assembly
MS39318E3D1A000	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-790-1620?

The FSCG of the NSN 4720-00-790-1620 is 4720

Does NSN 4720-00-790-1620 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 4720-00-790-1620 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-790-1620 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 4720-00-790-1620 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960