4720-00-457-6345

Find complete technical information, availability, and procurement data for: 4720-00-457-6345
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-457-6345

Item Name Code

17972

Assigment Date

09/17/1969 (56 years ago)

round cross-sectional shape style, 0.250 inches nominal 1st end flange thickness, 4.000 inches nominal inside diameter, 5.000 inches nominal outside diameter, 6.625 inches nominal 1st end bolt circle 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: 4.000 inches nominal
Bolt Circle Diameter: 6.625 inches nominal 1st end
Flange Thickness: 0.250 inches nominal 1st end
Outside Diameter: 5.000 inches nominal
Inner Conveying Tube Style: annular close-pitch corrugated
Bolt Hole Quantity: 8 1st end
Flange Outside Diameter: 7.750 inches nominal 1st end
Connection Style: plain 1st end
Bolt Hole Diameter: 0.500 inches nominal 1st end
End Flange Construction: solid 1st end
End Connection Design: straight 1st end
Connection Type: plain face flange 1st end
Features Provided: identical ends
Measuring Method And Length: 20.688 inches nominal overall
Flange Style: round w / bolt holes 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
MMC39-53	Metallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-457-6345?

The FSCG of the NSN 4720-00-457-6345 is 4720

Does the NSN 4720-00-457-6345 have a Schedule B code assigned?

Yes, the Schedule B code is 7608200090

Does NSN 4720-00-457-6345 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 4720-00-457-6345 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-457-6345 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 4720-00-457-6345 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Sep 17, 1969