4720-00-203-2523

Find complete technical information, availability, and procurement data for: 4720-00-203-2523
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-203-2523

Item Name Code

20311

Assigment Date

01/01/1961 (65 years ago)

0.250 inches nominal inside diameter, round cross-sectional shape style, right-hand 1st end thread direction, -65.0 fahrenheit and 235.0 fahrenheit single response temp rating, right-hand 2nd 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: 0.250 inches nominal
Temp Rating: -65.0 fahrenheit and 235.0 fahrenheit single response
Outside Diameter: 0.531 inches nominal
Connection Style: swivel, plain 2nd end
Connection Style: plain 1st end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: threaded external pipe 1st end
Connection Type: threaded external pipe 2nd end
Burst Test Pressure: 2000.0 pounds per square inch
Layer Composition And Location: 3rd layer braided rayon cord and outer layer molded rubber, synthetic and 1st layer braided rayon cord
Maximum Operating Pressure: 500.0 pounds per square inch
Nominal Thread Size: 0.250 inches 1st end
Nominal Thread Size: 0.250 inches 2nd end
Outer Covering Environmental Protection: oil resistant
Inside Surface Condition: smooth
Measuring Method And Length: 13.000 inches nominal overall
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-415-4681	No Name Available	01/01/1963

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
3305231	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-203-2523?

The FSCG of the NSN 4720-00-203-2523 is 4720

Does NSN 4720-00-203-2523 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 4720-00-203-2523 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-203-2523 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 4720-00-203-2523 was assigned to the Federal Catalog?

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