4720-00-640-5181

Find complete technical information, availability, and procurement data for: 4720-00-640-5181
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-640-5181

Item Name Code

22670

Assigment Date

01/01/1961 (65 years ago)

2.125 inches nominal outside diameter, round cross-sectional shape style, 1st layer rubber impregnated fabric layer composition and location, layer composition and location, 1.734 inches minimum and 1.766 inches maximum inside 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
Inside Diameter: 1.734 inches minimum and 1.766 inches maximum
Outside Diameter: 2.125 inches nominal
Layer Composition And Location
Layer Composition And Location: 1st layer rubber impregnated fabric
Layer Composition And Location: 2nd layer rubber impregnated fabric
Layer Composition And Location: 3rd layer rubber impregnated fabric
Outer Covering Environmental Protection: water resistant
Inside Surface Condition: smooth
Measuring Method And Length: 6.000 inches nominal overall
Material: rubber polyisoprene natural class nr or rubber synthetic 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
B405K202	Nonmetallic Hose

FAQs

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

What is the FSCG of the NSN 4720-00-640-5181?

The FSCG of the NSN 4720-00-640-5181 is 4720

Does NSN 4720-00-640-5181 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 4720-00-640-5181 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-640-5181 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 4720-00-640-5181 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961