4720-01-420-8661

Find complete technical information, availability, and procurement data for: 4720-01-420-8661
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-420-8661

Item Name Code

20311

Assigment Date

10/26/1995 (30 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

right-hand 2nd end thread direction, right-hand 1st end thread direction, 3b 1st end thread class, 3b 2nd end thread class, round cross-sectional shape style

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 Class: 3b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.380 inches nominal
Temp Rating: -40.0 fahrenheit and 212.0 fahrenheit single response
Outside Diameter: 0.690 inches nominal
Minimum Inside Bending Radius: 2.500 inches
End Item Identification: w/s code, strategic sealift conversion ships class
Connection Style: swivel nut, gasket seal 1st end
Connection Style: swivel nut, gasket seal 2nd end
End Connection Design: elbow 2nd end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Thread Quantity Per Inch: 16 1st end
Thread Quantity Per Inch: 16 2nd end
Burst Test Pressure: 7200.0 pounds per square inch
Layer Composition And Location: 1st layer braided wire and outer layer molded rubber, synthetic
Maximum Operating Pressure: 1800.0 pounds per square inch
Nominal Thread Size: 0.687 inches 1st end
Nominal Thread Size: 0.687 inches 2nd end
Hydrostatic Test Pressure: 3600.0 pounds per square inch
Flow Angle: 90.0 degrees 2nd end
Inside Surface Condition: smooth
Measuring Method And Length: 406.0 millimeters nominal working
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: un 1st end
Thread Series Designator: un 2nd 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
2794102	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-420-8661?

The FSCG of the NSN 4720-01-420-8661 is 4720

Does NSN 4720-01-420-8661 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 4720-01-420-8661 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-420-8661 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 4720-01-420-8661 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Oct 26, 1995