4720-01-388-5506

Find complete technical information, availability, and procurement data for: 4720-01-388-5506
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-388-5506

Item Name Code

20311

Assigment Date

04/01/1994 (32 years ago)

A flexible, tubular item of light wall construction. It must have single or multiple layers of nonmetallic material, but may contain metal wire reinforcement, foil type liner, and/or woven or braided cover. It is designed to convey under low pressure gaseous material, such as air and fumes, and light weight solid materials, such as dust, powders, and fibers. For items with couplings, see hose assembly, air duct. For items of sleeve section design rated for high pressure use, see sleeve, seal, coupling. Excludes:hose, nonmetallic.

round cross-sectional shape style, 2a 1st end thread class, 0.375 inches nominal inside diameter, right-hand 1st end thread direction, 0.750 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: 2a 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.375 inches nominal
Outside Diameter: 0.750 inches nominal
Connection Style: inverted flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded external tube 1st end
Features Provided: reusable end fittings
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 37.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 18.000 inches nominal overall
Media For Which Designed: 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
6351097-2	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-388-5506?

The FSCG of the NSN 4720-01-388-5506 is 4720

Does NSN 4720-01-388-5506 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 4720-01-388-5506 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-388-5506 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 4720-01-388-5506 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Apr 1, 1994