4720-01-311-8374

Find complete technical information, availability, and procurement data for: 4720-01-311-8374
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-311-8374

Item Name Code

20311

Assigment Date

12/06/1989 (36 years ago)

A flexible, tubular item having a nonmetallic tube inner conveying surface and one or more reinforcement layers of a metallic or nonmetallic material. It is designed to convey gasses, liquids, or solids. For items with fittings on one or both ends, see hose assembly, nonmetallic. Excludes:hose, air duct; and hose air duct, air breathing.

right-hand 2nd end thread direction, 2b 1st end thread class, right-hand 1st end thread direction, round cross-sectional shape style, 2b 2nd 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 Class: 2b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.510 inches nominal
Temp Rating: -67.0 fahrenheit and 400.0 fahrenheit single response
Outside Diameter: 0.780 inches nominal
Minimum Inside Bending Radius: 3.250 inches
Connection Style: swivel nut flare 1st end
Connection Style: swivel nut flare 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
Burst Test Pressure: 12000.0 pounds per square inch
Layer Composition And Location: 1st layer molded rubber, synthetic and 2nd layer braided corrosion resistant steel wire
Maximum Operating Pressure: 3000.0 pounds per square inch
Nominal Thread Size: 0.875 inches 1st end
Nominal Thread Size: 0.875 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Hydrostatic Test Pressure: 6000.0 pounds per square inch
Flow Angle: 45.0 degrees 2nd end
Outer Covering Environmental Protection: oil resistant
Inside Surface Condition: smooth
Measuring Method And Length: 35.125 inches nominal working
Thread Series Designator: unjf 2nd end
Thread Series Designator: unjf 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
AE246351	Nonmetallic Hose Assembly
AE2463513J0351	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-311-8374?

The FSCG of the NSN 4720-01-311-8374 is 4720

Does the NSN 4720-01-311-8374 have a Schedule B code assigned?

Yes, the Schedule B code is 4009120050

Does NSN 4720-01-311-8374 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 4720-01-311-8374 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-311-8374 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 4720-01-311-8374 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Dec 6, 1989