4720-00-790-7386

Find complete technical information, availability, and procurement data for: 4720-00-790-7386
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-790-7386

Item Name Code

20311

Assigment Date

01/01/1962 (64 years ago)

A fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a bolt, fluid passage on one end. The other end must have an internal or external quick disconnect feature for connecting a mating part to form a quick disconnect coupling assembly. The fitting may incorporate a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half. For self-sealing fittings with an external or internal threaded disconnect end, see coupling half, self-sealing. See also, connector, multiple, fluid pressure line.

3b 1st end thread class, right-hand 1st end thread direction, 0.313 inches nominal inside diameter, round cross-sectional shape style, 0.446 inches nominal outside diameter

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: 0.313 inches nominal
Outside Diameter: 0.446 inches nominal
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Layer Composition And Location: outer layer braided corrosion resistant steel wire
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 37.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 31.500 inches nominal overall
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
303008-6S31 1-2	Nonmetallic Hose Assembly
FG1266GGG0322	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-790-7386?

The FSCG of the NSN 4720-00-790-7386 is 4720

Does NSN 4720-00-790-7386 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 4720-00-790-7386 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-790-7386 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 4720-00-790-7386 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962