4720-00-289-7991

Find complete technical information, availability, and procurement data for: 4720-00-289-7991
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-289-7991

Item Name Code

20311

Assigment Date

01/01/1961 (65 years ago)

right-hand 2nd end thread direction, round cross-sectional shape style, 2.000 inches nominal inside diameter, 388.0 fahrenheit single response temp rating, right-hand 1st 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 Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 2.000 inches nominal
Temp Rating: 388.0 fahrenheit single response
Outside Diameter: 2.750 inches nominal
Minimum Inside Bending Radius: 180.000 inches
Connection Style: plain 2nd end
Connection Style: plain optional end 1st end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal pipe 1st end
Thread Quantity Per Inch: 11-1/2 1st end
Thread Quantity Per Inch: 11-1/2 2nd end
Burst Test Pressure: 2000.0 pounds per square inch
Layer Composition And Location: 2nd layer braided steel wire and outer layer molded rubber, synthetic and 1st layer braided steel wire
Maximum Operating Pressure: 200.0 pounds per square inch
Nominal Thread Size: 2.000 inches 1st end
Nominal Thread Size: 2.000 inches 2nd end
Hydrostatic Test Pressure: 1250.0 pounds per square inch
Outer Covering Environmental Protection: abrasion resistant and heat resistant and ozone resistant
Inside Surface Condition: smooth
Measuring Method And Length: 300.000 inches nominal excluding end fittings
Media For Which Designed: steam single response
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 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
AA59159-1A625	Nonmetallic Hose Assembly
M285961A625	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-289-7991?

The FSCG of the NSN 4720-00-289-7991 is 4720

Does NSN 4720-00-289-7991 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 4720-00-289-7991 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-289-7991 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 4720-00-289-7991 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961