4720-00-405-1821

Find complete technical information, availability, and procurement data for: 4720-00-405-1821
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-405-1821

Item Name Code

20311

Assigment Date

03/31/1971 (55 years ago)

round cross-sectional shape style, -40.0 fahrenheit and 300.0 fahrenheit single response temp rating, right-hand 1st end thread direction, 0.406 inches nominal inside diameter, 2b 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: 2b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.406 inches nominal
Temp Rating: -40.0 fahrenheit and 300.0 fahrenheit single response
Outside Diameter: 0.770 inches nominal
Minimum Inside Bending Radius: 4.620 inches
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Features Provided: reusable end fittings
Burst Test Pressure: 8000.0 pounds per square inch
Layer Composition And Location: 2nd layer braided wire and 1st layer braided textile yarn and outer layer rubber impregnated braided fabric
Maximum Operating Pressure: 2000.0 pounds per square inch
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 37.0 degrees 1st end
Outer Covering Environmental Protection: cold resistant and oil resistant and corrosion resistant and weatherproof
Inside Surface Condition: smooth
Measuring Method And Length: 90.500 inches nominal overall
Media For Which Designed: air and hydraulic fluid and fuel/oil, hydrocarbon single response
Thread Series Designator: unf 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
A39212X	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-405-1821?

The FSCG of the NSN 4720-00-405-1821 is 4720

Does NSN 4720-00-405-1821 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 4720-00-405-1821 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-405-1821 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 4720-00-405-1821 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Mar 31, 1971