4720-01-337-5128

Find complete technical information, availability, and procurement data for: 4720-01-337-5128
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-337-5128

Item Name Code

20311

Assigment Date

04/16/1991 (35 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.

1.518 inches nominal outside diameter, 4.500 inches minimum inside bending radius, 1.125 inches nominal inside diameter, -65.0 fahrenheit and 300.0 fahrenheit single response temp rating, lav 25 end item identification

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 1.125 inches nominal
Temp Rating: -65.0 fahrenheit and 300.0 fahrenheit single response
Outside Diameter: 1.518 inches nominal
Minimum Inside Bending Radius: 4.500 inches
End Item Identification: lav 25
Burst Test Pressure: 1200.0 pounds per square inch
Layer Composition And Location: 1st layer braided textile yarn and 2nd layer braided steel wire and outer layer braided fiber
Maximum Operating Pressure: 300.0 pounds per square inch
Hydrostatic Test Pressure: 600.0 pounds per square inch
Inside Surface Condition: smooth
Special Features: material: rubber butadiene-acrylonitrile class nbr tube cross-sectional shape style: round
Specification/Standard Data: 81349-mil-h-13444 government specification
Nondefinitive Spec/Std Data: 3 type and 20 size

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
243-20	Nonmetallic Hose Assembly
FC173-20	Nonmetallic Hose Assembly
M13444, TYPE III, SIZE 20	Nonmetallic Hose Assembly
MIL-H-13444,TYPE III,SIZE 20	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-337-5128?

The FSCG of the NSN 4720-01-337-5128 is 4720

Does the NSN 4720-01-337-5128 have a Schedule B code assigned?

Yes, the Schedule B code is 4009210000

Does NSN 4720-01-337-5128 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 4720-01-337-5128 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-337-5128 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 4720-01-337-5128 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Tue, Apr 16, 1991