4720-00-438-4997

Find complete technical information, availability, and procurement data for: 4720-00-438-4997
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-438-4997

Item Name Code

20311

Assigment Date

12/03/1969 (56 years ago)

-40.0 fahrenheit and 200.0 fahrenheit single response temp rating, right-hand 1st end thread direction, round cross-sectional shape style, 1.250 inches nominal inside diameter, 3a 1st end thread class

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: 3a 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 1.250 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 2.000 inches nominal
Minimum Inside Bending Radius: 18.000 inches
Connection Style: flared 1st end
End Connection Design: straight 1st end
Connection Type: threaded external tube 1st end
Features Provided: electrostatic discharge capability
Thread Quantity Per Inch: 12 1st end
Burst Test Pressure: 10000.0 pounds per square inch
Layer Composition And Location: 1st layer spirally laid steel wire and 2nd layer spirally laid steel wire and 3rd layer braided steel wire and outer layer molded rubber
Maximum Operating Pressure: 2500.0 pounds per square inch
Nominal Thread Size: 1.625 inches 1st end
Seat Angle: 37.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 18.625 inches nominal working
Special Features: surface chromate is clear
Media For Which Designed: fuel/oil, hydrocarbon single response
Test Data Document: "81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: un 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
514018-1	Nonmetallic Hose Assembly
N120EC20-20MJXEC20-20MJ18 5-8	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-438-4997?

The FSCG of the NSN 4720-00-438-4997 is 4720

Does NSN 4720-00-438-4997 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 4720-00-438-4997 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-00-438-4997 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 4720-00-438-4997 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Dec 3, 1969