311461

View detailed technical data, stock status, and sourcing information for: 311461
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-018-6549

Item Name Code

22670

Assigment Date

03/29/1976 (50 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.

-40.0 fahrenheit and 200.0 fahrenheit single response temp rating, round cross-sectional shape style, 0.250 inches nominal inside diameter, 0.500 inches nominal outside diameter, 3.000 inches minimum inside bending radius

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
Inside Diameter: 0.250 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 0.500 inches nominal
Minimum Inside Bending Radius: 3.000 inches
Exterior Color: red
End Item Identification: aircraft, galaxy c-5
Burst Test Pressure: 1000.0 pounds per square inch single response
Layer Composition And Location: 1st layer braided rayon cord and outer layer molded rubber, chloroprene
Maximum Operating Pressure: 250.0 pounds per square inch single response
Hydrostatic Test Pressure: 500.0 pounds per square inch single response
Outer Covering Environmental Protection: oil resistant and weatherproof
Criticality Code Justification: feat
Inside Surface Condition: smooth
Special Features: weapon system essential
Material: rubber chloroprene class cr tube

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-00-229-5539	No Name Available	05/01/1985

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
1/4INREDCONAIR250PSI	Nonmetallic Hose
1/4INREDHORIZON250PSI	Nonmetallic Hose
311461	Nonmetallic Hose
6B-1BRD 1/4IN	Nonmetallic Hose
7134-251	Nonmetallic Hose

FAQs

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

What is the FSCG of the NSN 4720-01-018-6549?

The FSCG of the NSN 4720-01-018-6549 is 4720

Does NSN 4720-01-018-6549 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 4720-01-018-6549 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-018-6549 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 4720-01-018-6549 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Mar 29, 1976