4720-00-189-2781

Find complete technical information, availability, and procurement data for: 4720-00-189-2781
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-189-2781

Item Name Code

22670

Assigment Date

01/01/1963 (63 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 212.0 fahrenheit single response temp rating, 1.750 inches nominal inside diameter, 175.0 pounds per square inch single response burst test pressure, 2.188 inches nominal outside diameter, round cross-sectional shape style

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: 1.750 inches nominal
Temp Rating: -40.0 fahrenheit and 212.0 fahrenheit single response
Outside Diameter: 2.188 inches nominal
Burst Test Pressure: 175.0 pounds per square inch single response
Layer Composition And Location: 1st layer braided textile yarn and outer layer molded rubber, synthetic
Outer Covering Environmental Protection: heat resistant and oil resistant and ozone resistant and mildew resistant
Inside Surface Condition: smooth
Measuring Method And Length: 36.000 inches nominal overall
Material: rubber ethylene-propylene class epm tube

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
ZZH428TYPE1GRADEBCLASS2	Nonmetallic Hose

FAQs

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

What is the FSCG of the NSN 4720-00-189-2781?

The FSCG of the NSN 4720-00-189-2781 is 4720

Does NSN 4720-00-189-2781 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 4720-00-189-2781 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-189-2781 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 4720-00-189-2781 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963