4720-00-203-0911

Find complete technical information, availability, and procurement data for: 4720-00-203-0911
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-203-0911

Item Name Code

20311

Assigment Date

01/01/1963 (63 years ago)

0.250 inches nominal inside diameter, round cross-sectional shape style, 3b 1st end thread class, 0.500 inches nominal outside diameter, 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 Class: 3b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.250 inches nominal
Outside Diameter: 0.500 inches nominal
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Thread Quantity Per Inch: 20 1st end
Burst Test Pressure: 800.0 pounds per square inch
Layer Composition And Location: 2nd layer molded rubber, synthetic and outer layer molded rubber, composition and 1st layer braided cotton cord
Nominal Thread Size: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 400.0 pounds per square inch
Outer Covering Environmental Protection: abrasion resistant and fuel resistant and light resistant and oil resistant and weatherproof
Inside Surface Condition: smooth
Measuring Method And Length: 25.000 inches nominal working
Special Markings: w/date of mfr
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-01-336-3582	No Name Available	05/26/2022

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
193000-4D-0250	Nonmetallic Hose Assembly
AN6270-4D-0250	Nonmetallic Hose Assembly
AN6270-4D-0251	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-203-0911?

The FSCG of the NSN 4720-00-203-0911 is 4720

Does NSN 4720-00-203-0911 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 4720-00-203-0911 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-203-0911 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 4720-00-203-0911 was assigned to the Federal Catalog?

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